Less than two years ago, this Court decided Webb v. Sowell, 387 S.C. 328, 692 S.E.2d 543 (2010), which held that ordering a non-custodial parent to pay college expenses violates equal protection, thus overruling thirty years of precedent flowing from Risinger v. Risinger, 273 S.C. 36, 253 S.E.2d 652 (1979). We granted permission in this case to argue against precedent pursuant to Rule 217, SCACR, so that we could revisit our holding in Webb. Today, we hold that Webb was wrongly decided and remand this matter for reconsideration in light of the law as it existed prior to Webb.
*652FACTUAL/PROCEDURAL BACKGROUND
Kristi McLeod (Mother) and Robert Starnes (Father) divorced in 1993 following five years of marriage. Mother received custody of their two minor children, and Father was required to pay child support in the amount of $212 per week, which was later reduced to $175 per week by agreement, in addition to thirty-five percent of his annual bonus. At the time, Father earned approximately $29,000 per year plus a $2,500 bonus. However, his salary steadily increased to over $120,000 per year and his bonus to nearly $30,000 by 2007. In 2008, his salary was almost $250,000. During the same time period, Mother’s income increased and fluctuated from less than $12,000 per year to a peak of approximately $40,000 per year. Despite the rather sizable increases in Father’s income, Mother never sought modification of his child support obligation because, as Father admitted, she had no way of knowing about them.
In August 2006, the parties’ older child, Collin, reached the age of majority and enrolled as a student at Newberry College.1 To help take advantage of this opportunity, he sought all scholarships, loans, and grants that he could. Father wholly supported Collin’s decision to attend Newberry. Indeed, Father wrote an e-mail in March 2006 agreeing to repay all of Collin’s student loans upon graduation. He even cosigned a promissory note for Collin’s student loans. Furthermore, in an August 2006 letter, Father agreed to pick up “odd expenses from [Collinj’s education” and told Collin to call him whenever he “needs a little help.” Interestingly, Father took it upon himself in that same letter to unilaterally decrease his weekly child support from $175 to $100. Mother later acquiesced in this reduction, apparently in consideration of Father’s assurances that he would support Collin while he was in college. However, Father did not uphold his end of the bargain, nor did he regularly pay the percentage of his bonus as required.
Mother brought the instant action in March 2007 seeking an award of college expenses, an increase in child support for *653Jamie, and attorney’s fees and costs. Father counterclaimed, asking that the court terminate: (1) his child support for Collin because he had attained the age of majority and graduated from high school; (2) his support for Jamie upon graduation from high school; (3) and the requirement that he pay a percentage of his annual bonus as child support. He also denied that he should be required to pay any college expenses for Collin. A temporary order was filed in June 2007 that set child support for Jamie at $235 per week, ordered Father to contribute $400 per month towards Collin’s college expenses, and left intact the thirty-five percent of Father’s annual bonus payable as support.
The final hearing was not conducted until March and July 2009. The court dismissed Mother’s claim for college expenses on the ground that it violated the Equal Protection Clause of the United States Constitution.2 Furthermore, the court found that Jamie’s mental and physical disabilities required a continuation of child support beyond the age of majority and as long as the child’s disabilities exist. However, the court reduced Father’s obligation for Jamie after recalculating the base obligation using different figures than those used in the temporary order. Furthermore, the court reduced the percentage payable from his annual bonus from thirty-five to ten.3 The court accordingly found Father had overpaid child support for the two years the temporary order was in effect and reduced his monthly payments by fifteen percent until the overpayment was discharged. Finally, the court required both parties to pay their own attorney’s fees and costs.
ISSUES PRESENTED
Mother raises three issues on appeal:
I. Did the family court err in not awarding college expenses?
*654II. Did the family court err in lowering the current support for the younger child and awarding Father a credit for alleged overpayment of child support during the pendency of this case?
III. Did the family court err in not awarding Mother attorney’s fees and costs?
LAW/ANALYSIS
I. COLLEGE EXPENSES
Mother argues the family court erred in finding that an order requiring Father to pay college expenses for Collin violates equal protection. We agree.
In Webb, we held that requiring a parent to contribute toward an adult child’s college expenses violated the Equal Protection Clause.4 387 S.C. at 332-33, 692 S.E.2d at 545. We are not unmindful of the imprimatur of correctness which stare decisis lends to that decision. However, stare decisis is not an inexorable command: “There is no virtue in sinning against light or persisting in palpable error, for nothing is settled until it is settled right.... There should be no blind adherence to a precedent which, if it is wrong, should be corrected at the first practical moment.” Smith v. Daniel Const. Co., 253 S.C. 248, 255-56, 169 S.E.2d 767, 771 (1969) (Bussey, J., dissenting) (quoting Sidney Spitzer & Co. v. Comm’rs of Franklin County, 188 N.C. 30, 123 S.E. 636, 638 (1924)). Furthermore,
[w]hen the court is asked to follow the line marked out by a single precedent case it is not at liberty to place its decision on the rule of stare decisis alone, without regard to the grounds on which the antecedent case was adjudicated.... An original case could not possibly gain authority by a mere perfunctory following on the principle of stare decisis.
State v. Williams, 13 S.C. 546, 554-55 (1880). In that vein, stare decisis is far more a respect for a body of decisions as opposed to a single case standing alone. See Langley v. *655Boyter, 284 S.C. 162, 180, 325 S.E.2d 550, 560 (Ct.App.1984), quashed on other grounds, 286 S.C. 85, 332 S.E.2d 100 (1985) (“The doctrine of stare decisis says that where a principle of law has become settled by a series of court decisions, it should be followed in similar cases.” (emphasis added)). This is not to say that a single case garners no protection from stare decisis, for even in those circumstances we should hesitate to revisit and reverse our decisions without good cause to do so. Our precedents simply make clear, however, that such a case is not rendered immutable by stare decisis.
Therefore, “[s]tare decisis should be used to foster stability and certainty in the law, but[] not to perpetuate error.” Fitzer v. Greater Greenville S.C. Young Men’s Christian Ass’n, 277 S.C. 1, 4, 282 S.E.2d 230, 231 (1981), superseded by statute on other grounds, S.C.Code Ann. § 33-55-200 et seq. (2006). Stare decisis applies with full force with respect to questions of statutory interpretation because the legislature is free to correct us if we misinterpret its words. Layton v. Flowers, 243 S.C. 421, 424, 134 S.E.2d 247, 248 (1964). However, the doctrine is at its weakest with respect to constitutional questions because only the courts or a constitutional amendment can remedy any mistakes made. Agostini v. Felton, 521 U.S. 203, 236, 117 S.Ct. 1997, 138 L.Ed.2d 391 (1997).
We are at the first practical moment to reexamine Webb, a “single precedent case” concerning a constitutional question because it is the first and only case in this State finding an equal protection violation in these circumstances. We now believe Webb reversed the burden imposed on parties operating under rational basis review for equal protection challenges and should therefore be overruled.
In Webb, we were asked to determine whether requiring a non-custodial parent to pay college expenses was a violation of equal protection. 387 S.C. at 330, 692 S.E.2d at 544. “The sine qua non of an equal protection claim is a showing that similarly situated persons received disparate treatment.” Grant v. S.C. Coastal Council, 319 S.C. 348, 354, 461 S.E.2d 388, 391 (1995). Absent an allegation that the classification resulting in different treatment is suspect, a classification will survive an equal protection challenge so long *656as it rests on some rational basis. Lee v. S.C. Dep’t of Natural Res., 339 S.C. 463, 467, 530 S.E.2d 112, 114 (2000). Under the rational basis test, a classification is presumed reasonable and will remain valid unless and until the party challenging it proves beyond a reasonable doubt that there “is no admissible hypothesis upon which it can be justified.” Carolina Amusement Co. v. Martin, 236 S.C. 558, 576, 115 S.E.2d 273, 282 (1960). If we can discern any rational basis to support the classification, regardless of whether that basis was the original motivation for it, the classification will withstand constitutional scrutiny. Lee, 339 S.C. at 470 n. 4, 530 S.E.2d at 115 n. 4. The classification also does not need to completely achieve its purpose to withstand constitutional scrutiny. Id. at 467, 530 S.E.2d at 114.
In Webb, the majority viewed the classification created by Risinger for equal protection purposes as those parents subject to a child support order at the time the child is emancipated.5 387 S.C. at 332, 692 S.E.2d at 545. Without any elaboration, the majority concluded that there is no rational basis for treating parents subject to such an order different than those not subject to one with respect to the payment of college expenses. Id. Upon further reflection, we now believe that we abandoned our long-held rational basis rule that the party challenging a classification must prove there is no conceivable basis upon which it can rest and inverted the burden of proof. By not investigating whether there is any basis to support the alleged classification or refuting the bases argued, we effectively presumed Risinger's reading of what is now section 63-3-530(A)(17) unconstitution*657al. Our treatment of this issue thus essentially reviewed Risinger under the lens of strict scrutiny as opposed to rational basis. See Stephenson v. Bartlett, 355 N.C. 354, 562 S.E.2d 377, 393 (2002) (“Under strict scrutiny, a challenged governmental action is unconstitutional if the State cannot establish that it is narrowly tailored to advance a compelling government interest” (emphasis added)); see also Qutb v. Strauss, 11 F.3d 488, 492 (5th Cir.1993) (“Under the strict scrutiny standard, we accord the classification no presumption of constitutionality.”). Our decision in Webb therefore rests on unsound constitutional principles, and stare decisis does not preclude our reconsideration of the issue addressed in that case.6
As with any equal protection challenge, we begin by addressing the class Risinger created under section 63-3-530(A)(17). Mother argues that the appropriate classification is divorced parents versus non-divorced parents. In his brief, Father adheres to the class Webb analyzed of parents subject to a child support order at the time of emancipation versus those who are not subject to one. However, Father argued Mother’s proposed classification before the family court. He therefore cannot argue Webb’s class on appeal. See State v. Dunbar, 356 S.C. 138, 142, 587 S.E.2d 691, 694 (2003) (“A party may not argue one ground at trial and an alternate ground on appeal.”). We accordingly review Risinger through the same lens used by the family court: whether it improperly treats divorced parents differently than non-divorced parents.
This State has a strong interest in the outcome of disputes where the welfare of our young citizens is at stake. As can hardly be contested, the State also has a strong interest in ensuring that our youth are educated such that they can become more productive members of our society. It is entirely possible “that most parents who remain married to each other support their children through college years. On the other hand, even well-intentioned parents, when deprived of the custody of their children, sometimes react by refusing to *658support them as they would if the family unit had been preserved.” In re Marriage of Vrban, 293 N.W.2d 198, 202 (Iowa 1980). Therefore, it may very well be that Risinger sought to alleviate this harm by “minimizing] any economic and educational disadvantages to children of divorced parents.” Kujawinski v. Kujawinski, 71 Ill.2d 563, 17 Ill.Dec. 801, 376 N.E.2d 1382, 1390 (1978); see also LeClair v. LeClair, 137 N.H. 213, 624 A.2d 1350, 1357 (1993), superseded by statute on other grounds (“The legitimate State interest served by these statutes is to ensure that children of divorced families are not deprived of educational opportunities solely because their families are no longer intact.”). There is no absolute right to a college education, and section 63-3-530(A)(17), as interpreted by Risinger and its progeny, does not impose a moral obligation on all divorced parents with children. Instead, the factors identified by Risinger and expounded upon in later cases seek to identify those children whose parents would otherwise have paid for their college education, but for the divorce, and provide them with that benefit.
We accordingly hold that requiring a parent to pay, as an incident of child support, for post-secondary education under the appropriate and limited circumstances outlined by Risinger is rationally related to the State’s interest. While it is certainly true that not all married couples send their children to college, that does not detract from the State’s interest in having college-educated citizens and attempting to alleviate the potential disadvantages placed upon children of divorced parents. Although the decision to send a child to college may be a personal one, it is not one we wish to foreclose to a child simply because his parents are divorced. It is of no moment that not every married parent sends his children to college or that not every divorced parent refuses to do so. The tenants of rational basis review under equal protection do not require such exacting precision in the decision to create a classification and its effect.
Indeed, Father’s refusal to contribute towards Collin’s college expenses under the facts of this case proves the very ill which Risinger attempted to alleviate, for Father articulated no defensible reason for his refusal other than the shield erected by Webb. What other reason could there be for a *659father with more than adequate means and a son who truly desires to attend college to skirt the obligation the father almost certainly would have assumed had he not divorced the child’s mother? Had Father and Mother remained married, we believe Father undoubtedly would have contributed towards Collin’s education. Collin has therefore fallen victim to the precise harm that prompted the courts in LeClair, Kujawinski, and Vrban — as well as Risinger — to hold that a noncustodial parent could be ordered to contribute towards a child’s college education. Thus, this case amply demonstrates what we failed to recognize in Webb: sometimes the acrimony of marital litigation impacts a parent’s normal sense of obligation towards his or her children. While this is a harsh and unfortunate reality, it is a reality nonetheless that Risinger sought to address.
The dissent distinguishes LeClair, Kujawinski, and Vrban on the ground they interpret statutes which explicitly provide for an award of college expenses, contending section 63-3-530(A)(17) does not. As this case comes to us, however, Risinger1 s reading of section 63-3-530(A)(17) has not been challenged on statutory construction grounds. Accordingly, for our purposes, section 63-3-530(A)(17) does permit the family court to award college expenses. The question before us today is only whether doing so violates equal protection.
The dissent accordingly must couch its attempt to undermine Risinger as one of subject matter jurisdiction which we can reach sua sponte. The subject matter jurisdiction of the family court is limited to what is “expressly or by necessary implication conferred by statute.” State v. Graham, 340 S.C. 352, 355, 532 S.E.2d 262, 263 (2000). Over thirty years ago, Risinger held the predecessor to section 63-3-530(A)(17) permits a family court to award college expenses if certain criteria are met.7 Since Risinger, the statutes confer*660ring jurisdiction on the family court have been amended repeatedly, yet the General Assembly never limited Risingeds application. “The Legislature is presumed to be aware of this Court’s interpretation of its statutes.” Wigfall v. Tideland Utils., Inc., 354 S.C. 100, 111, 580 S.E.2d 100, 105 (2003). When the General Assembly failed to amend this section over the course of three decades, “its inaction is evidence [it] agrees with this Court’s interpretation.” See id. At this juncture, we are therefore unwilling to agree with the dissent’s sua sponte conclusion that the General Assembly never intended to give the family court jurisdiction to order the payment of college tuition as an incident of child support. Due to the General Assembly’s tacit approval of Risinger for over thirty years and the fact its construction has never been challenged, not even in this case, reaffirming this principle does not amount to “legislat[ing] from the bench” or a “cavalier[ ] disregard of the Legislature’s express limitations on the family court’s jurisdiction” as the dissent suggests. If the dissent’s assessment of legislative intent were correct, we are confident the General Assembly would have amended the jurisdictional statutes accordingly since 1979.
We now hold Risinger does not violate the Equal Protection Clause because there is a rational basis to support any disparate treatment Risinger and its progeny created. In fact, the case before us particularly demonstrates the need for a rule permitting an award of college expenses in certain circumstances in order to ensure children of divorce have the benefit of the college education they would have received had their parents remained together. Accordingly, we reverse the order of the family court and remand this matter for a determination of whether and in what amount Father is required to contribute to Collin’s college education under the law as it existed prior to Webb.8
*661II. OVERPAYMENT OF SUPPORT
Mother argues the family court erred in awarding Father a credit for an alleged overpayment in child support from the date this action was filed. We agree.
The family court has the discretion to award retroactive child support from the filing date of the action upon a proper showing of a change in the child’s needs or the supporting parent’s ability to pay. Ables v. Gladden, 378 S.C. 558, 567-68, 664 S.E.2d 442, 447 (2008) (quoting Thornton v. Thornton, 328 S.C. 96, 115, 492 S.E.2d 86, 96 (1997); Henderson v. Henderson, 298 S.C. 190, 196, 379 S.E.2d 125, 129 (1989)). An increase or decrease may be ordered upon a showing of a change of condition at the time the modification is ordered. Herring v. Herring, 286 S.C. 447, 453, 335 S.E.2d 366, 369 (1985).
The temporary order set Father’s monthly child support obligation at $1,018.33, based upon Mother’s monthly pay of $1,600 and Father’s monthly pay of $8,741. The order also left intact Father’s obligation to pay Mother thirty-five percent of his annual bonuses. However, the final order decreased Father’s obligation to $923, based upon Mother’s monthly income of $3,300 and Father’s monthly income of $10,666, and inexplicably reduced the percentage of Father’s annual bonus payable as support from thirty-five percent to ten percent. The court also terminated Father’s obligation to pay $400 per month towards Collin’s college education. Based upon these new figures, the court found Father had overpaid support during the pendency of the case. Retroactively applying both figures to the monies already paid from the filing of this action, the court found that Father had overpaid $2,669.24 in monthly support and $9,998.05 in annual support, and that Father could reduce his future monthly payments by fifteen percent until the overpayment was discharged. This was error.
We find the final monthly support order was based upon erroneous calculations of the parties’ income. Further, the bonus payment reduction from thirty-five percent to ten percent was ordered without any stated explanation. We find the calculations contained in the temporary order correct and reinstate those monthly and annual support terms. Accord*662ingly, Father has made no overpayment of support during the pendency of this action.
III. ATTORNEY’S FEES AND COSTS
Mother argues the family court erred in not awarding her attorney’s fees and costs. We agree.
“In determining whether to award attorney’s fees, the court should consider each party’s ability to pay his or her own fee; the beneficial results obtained by the attorney; the parties’ respective financial conditions; and the effect of the fee on each party’s standard of living.” Patel v. Patel, 359 S.C. 515, 533, 599 S.E.2d 114, 123 (2004). Mother’s attorney’s fees and costs in this case are at least half of her income, while Father’s are far less than one-third of his income. Further, this litigation was necessary primarily because of Father’s conduct. Not only had Father neglected to pay the full amount of the thirty-five percent of his annual bonus due to his children, it was his contention that Jamie was not in need of support beyond the age of majority that prompted Mother to file this action, from which she has received significant beneficial results. Therefore, we reverse and remand for an award of attorney’s fees and costs to Mother.
CONCLUSION
We therefore overrule Webb and find that Risinger and its progeny do not violate the principles of equal protection. Accordingly, we reverse the family court’s decision in this case and remand for a determination of what amount, if any, Father should pay towards Collin’s college expenses. Additionally, we hold the family court erred in reducing Father’s child support obligation for Jamie below the amount in the temporary order and in not awarding Mother attorney’s fees and costs.
TOAL, C.J. and KITTREDGE, J., concur. BEATTY, J., dissenting in part in a separate opinion in which PLEICONES, J., concurs.. Their younger son, Jamie, has autism; although he attained the age of majority in 2008, he is not expected to graduate from high school until he is twenty-one.
. Webb had not yet been decided at this time.
. The temporary order required Father to pay $1,018.33 per month, based upon Mother’s monthly income of $1,600 and Father’s monthly income of $8,741. The final order, however, required Father to pay $923 per month, finding Mother earned $3,300 per month and Father earned $10,666 per month.
. In particular, Webb held Risinger s interpretation of Section 14-21-810(b)(4) of the South Carolina Code (1976) — now codified at Section 63 — 3—530(A)(17) (Supp.2010) — violated equal protection. 387 S.C. at 333, 692 S.E.2d at 545.
. In their respective dissents in Webb, the Chief Justice and Justice Kittredge stated the majority should have reviewed that case under the classification raised by the parties themselves, which was divorced and non-divorced parents. Webb, 387 S.C. at 333-34, 692 S.E.2d at 546 (Toal, C.J., dissenting); id. at 336, 692 S.E.2d at 547 (Kittredge, J., dissenting). Although the majority in Webb undertook to remedy what it perceived to be a constitutional error on grounds other than those argued by the parties, id. at 332 n. 5, 692 S.E.2d at 545 n. 5, the mere fact that a constitutional question is involved does not permit the Court to address issues not properly before it, cf. In re McCracken, 346 S.C. 87, 92, 551 S.E.2d 235, 238 (2001) ("A constitutional claim must be raised and ruled upon to be preserved for appellate review.”). The dissent today would do the same thing as the Webb majority and review Risinger under a classification not properly before us.
. We are not unmindful of Mother's alternate argument that Father separately agreed to pay for Collin's college expenses. Although we are cognizant of our hesitancy to reach constitutional questions when it is not necessary, there is no cogent reason to let the error in Webb persist.
. Risinger held the family court's authority to award support for a child after the age of majority " ‘where there are physical or mental disabilities of the child or other exceptional circumstances that warrant it' " included awarding college expenses. 273 S.C. at 38, 253 S.E.2d at 653 (quoting S.C.Code Ann. § 1-^1 — 21—810(b)(4) (1979) (emphasis added)). We wrote that "[t]he need for education is the most likely additional ‘exceptional circumstance' which might justify continued financial support.” Id.
. The family court also dismissed Mother's claim because Collin chose to attend a private college. While we agree that the cost of a child’s education is a relevant consideration in light of the factors identified in Risinger and subsequent cases, attendance at a private school does not foreclose an award of expenses. Instead, the tuition amount is to be factored in with the child’s attainment of scholarships, grants, and loans as well as the parents' ability to pay when determining whether to make such an award and in what amount.