How long child support lasts in Texas (2026)
Texas child support usually lasts until the child turns 18 or graduates from high school, whichever is later (Texas Family Code § 154.001). Support past 18 requires the child to be enrolled in high school and meeting attendance requirements (§ 154.002). It ends earlier if the child marries, is emancipated by court order, dies or starts active military service, and it can continue indefinitely for a child with a disability (§§ 154.006 and 154.302).
When does child support end in Texas?
Texas Family Code § 154.001(a) lets a court order support:
- until the child is 18 or graduates from high school, whichever occurs later;
- until the child is emancipated through marriage, through removal of the disabilities of minority by court order, or by other operation of law;
- until the child’s death; or
- for an indefinite period if the child is disabled as defined in chapter 154.
Does child support continue after 18 if the child is still in high school?
Yes, under conditions. Section 154.002 allows support past the 18th birthday only while the child is:
- enrolled in an accredited secondary school in a program toward a high school diploma, in courses for joint high school and junior college credit, or full time in a private secondary school toward a diploma; and
- complying with the minimum attendance requirements of the Education Code or of the private school.
A request for support through graduation can be filed before or after the 18th birthday, and the order may provide that payments continue through the end of the month in which the child graduates (§ 154.002(b) and (c)). The statute sets no separate age limit. Instead, § 154.006(a)(4) ends the order when a court finds that a child of 18 or older has not met the enrollment or attendance requirements.
What events end a Texas child support order?
Unless the parents agreed otherwise in writing or the order says otherwise, § 154.006(a) says the order terminates on:
- the child’s marriage;
- the removal of the child’s disabilities for general purposes;
- the child’s death;
- a court finding that the child is 18 or older and is not meeting the enrollment or attendance requirements;
- an order terminating the parent-child relationship after genetic testing excludes the paying parent as the genetic parent; or
- the child beginning active service in the United States armed forces.
Under § 154.006(b), current support also ends if the parents marry or remarry each other, unless a nonparent or agency has been appointed conservator.
What happens when support ends for one of several children?
The amount steps down to the guideline for the remaining children. Section 154.127 requires an order for more than one child to state the events that end support for each child and the reduced total payable after each one. For a paying parent on wages of $6,000 a month:
| Children still covered | Guideline a month |
|---|---|
| 2 | $1,239.21 |
| 1 | $991.37 |
The step down amounts in an order are set when the order is made.
Can child support continue for an adult disabled child?
Yes. Under § 154.302, a court may order either or both parents to support a child for an indefinite period if the child, whether institutionalized or not, requires substantial care and personal supervision because of a mental or physical disability and will not be capable of self-support, and the disability, or its known cause, existed on or before the 18th birthday. The court names who receives the support, which can be a parent, a guardian, the adult child, or, outside Title IV-D cases, a special needs trust.
Does child support end if the parent receiving it dies?
No. The obligation continues for the benefit of the child named in the order (§ 154.013), and the statute says who receives the payments, such as a managing conservator or the person who has taken on the child’s care.
What about overpayments and unpaid support after support ends?
- If the paying parent is not behind and the obligation has ended, the parent who received support must return any payment above the ordered amount; a court can order costs and fees if it is not returned (§ 154.012, amended in 2025).
- Unpaid support is not cancelled when current support ends. The Office of the Attorney General states that unpaid child support carries 6 percent interest.
- A court keeps jurisdiction to order retroactive support if the petition is filed no later than the fourth anniversary of the child’s 18th birthday (§ 154.131(f)).
What this guide does not cover
This guide does not cover how payments and wage withholding are stopped in practice, enforcement of arrears, or support agreements that extend past the statutory end. The calculator shows the guideline amount for the children covered, not the end date. The engine also leaves out these parts of the Texas guideline:
- For children in one household. Children in more than one household are computed with a credit for the other children (154.128), or with the alternative table in 154.129; not modeled.
- Dental support (up to 1.5% of the paying parent's resources, 154.1825), cash medical support when no health insurance is available (154.182(b)(3)) and uninsured medical costs (154.183(c)) are ordered on top of this, not modeled.
- Self-employment income is not modeled. The engine deducts an employee's Social Security and Medicare; for self-employment income the Attorney General's self-employed chart deducts self-employment tax instead, which gives lower net resources.
- Net resources here only count wages. Other income and some deductions (154.062) are not modeled.
The figures are estimates of the guideline amount. A court can order a different amount, and an existing order only changes when it is modified.
Run your own numbers
This guide's example: in Texas, 2 children; the other parent earns $6,000 a month before tax. The guideline amount is $1,239.21 a month. Change any number in the calculator and every step of the formula updates.
Open this family in the Texas calculatorQuestions
Does child support stop at 18 in Texas?
Not if the child is still in high school. Support can continue past 18 while the child is enrolled toward a diploma and meets attendance requirements, and payments may run through the end of the month of graduation (§ 154.002).
Is there an age limit for high school support in Texas?
Section 154.002 sets no age. It ties support after 18 to enrollment and attendance, and § 154.006(a)(4) ends the order when a court finds a child of 18 or older is not meeting those requirements.
Does child support continue for college in Texas?
The duty in § 154.001 ends at 18 or high school graduation. Post-secondary education costs appear in the statute only as a factor a court may consider when deciding whether to vary from the guideline (§ 154.123(b)(9)). Parents can agree to more in writing (§ 154.006(a)).
What happens to child support when one of several children turns 18?
The order itself sets out the step down. Section 154.127 requires an order for more than one child to list the events that end support for each child and the reduced amount for the remaining children under the guidelines.
Is back child support still owed after the child turns 18?
Yes. The end of current support does not cancel unpaid support, and the Office of the Attorney General states that unpaid child support carries 6 percent interest.
Sources
- Texas Family Code §§ 154.001, 154.002, 154.006, 154.012, 154.013 and 154.127
- Texas Family Code §§ 154.301 to 154.309, Support for a minor or adult disabled child
- Texas Family Code § 154.131, Retroactive child support
- Modify Child Support (unpaid support and interest)
- Figures on this page are computed by the Coparent Math engine with Texas's rules in force on 2 Nov 2026 unless a table says otherwise, from:
- Texas Family Code chapter 154, checked 2 Nov 2026
- Texas OAG revised 2025 tax charts (standard deduction and brackets used), checked 31 Oct 2026
- IRS Rev. Proc. 2025-32 (2026 inflation adjustments), checked 31 Oct 2026
- Social Security Administration: contribution and benefit base, and OASDI and HI tax rates, checked 31 Oct 2026
- Texas OAG 2026 tax charts (net resources cap effective 1 September 2025, in the chart's footnotes), checked 31 Oct 2026
Related guides
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In the same hub
- Back child support (arrears) in Texas (2026)In Texas, every missed child support payment is a final judgment, and the unpaid amount carries simple interest of 6 percent a year until it is paid or confirmed as a money judgment, which then carries the same rate (Texas Family Code §§ 157.261 and 157.265). Arrears can be collected by income withholding, liens, license suspension, federal tax refund intercept and passport denial, and enforced by contempt with jail. A court cannot forgive or reduce confirmed arrears, and the right to collect continues after the child turns 18.
- Changing a child support order in Texas (2026)A Texas court can modify a child support order in two cases: when the circumstances of the child or a person affected by the order have materially and substantially changed, or when it has been three years since the order was made or last modified and the monthly amount differs from the current guideline amount by either 20 percent or $100 (Texas Family Code § 156.401). Only a new order changes the amount; parents can apply to the Attorney General's Child Support Division for a review or file in court.
- Self-employment, imputed income and what counts in Texas (2026)In Texas, self-employment income counts after the ordinary and necessary expenses needed to produce it, and a court may exclude depreciation or other expenses it finds inappropriate (Texas Family Code § 154.065). If a parent earns significantly less than they could because of intentional unemployment or underemployment, the court may apply the guideline to earning potential (§ 154.066); with no evidence of income at all, it presumes the federal minimum wage for a 40 hour week (§ 154.068).
- Texas child support by income (2026)Texas child support is 20% of the paying parent's net resources for one child, 25% for two and 30% for three, so it rises with income until net resources reach $11,700 a month. On a salary of $50,000 a year, the 2026 guideline for one child is $705.92 a month; on $100,000 it is $1,319.67.
- Child support above the income cap in Texas (2026)Since 1 September 2025 the Texas guideline applies to the paying parent's net resources up to $11,700 a month. For one child that caps the guideline at $2,340.00 a month. A court may order more than the guideline only depending on the parents' incomes and the proven needs of the child, and never more than the greater of the guideline amount or the child's proven needs (Texas Family Code § 154.126).
- Child support for more than one child in Texas (2026)In Texas the guideline percentage rises with each child: 20% of the paying parent's net resources for one child, 25% for two, 30% for three, 35% for four and at least 40% for five or more (Texas Family Code § 154.125). When the paying parent also supports children in another household, the court gives a credit for those children first (§ 154.128) or uses the multiple family table (§ 154.129).
The same topic in other states
- How long child support lasts in New York (2026)In New York, parents must support a child until the child turns 21, not 18 (Family Court Act § 413(1)(a)). Support can end earlier if the child is emancipated, for example by marrying, joining the military, or being 18 or older and working full time. For an adult with a developmental disability who lives with and depends on a parent, support can be ordered until 26.
- When child support ends in Virginia (2026)Virginia child support generally ends when the child turns 18. It continues past 18 for a child who is a full time high school student, not self supporting, and living in the home of the parent receiving support, until the child turns 19 or graduates from high school, whichever comes first (Code of Virginia § 20-124.2 C). A court can also order support for an adult child with a severe and permanent disability that began before 18, and parents can agree to extend support.
Comparisons
- Texas vs New York child support: which state is higher? (2026)For a typical middle income family New York's guideline is higher than Texas's. For two children and a paying parent earning $6,000 a month, it is $1,385.25 in New York and $1,239.21 in Texas, and the gap widens when there is child care, which New York adds and Texas does not. At low incomes the order flips: New York's low income rules can bring support far below the Texas amount.
- Texas vs Virginia child support: which state is higher? (2026)It depends mostly on two things: the income of the parent the children live with, and custody time. Texas looks only at the paying parent's net income, so for two children and a paying parent earning $6,000 a month it is $1,239.21 whatever the other parent earns. Virginia uses both incomes and is $1,094.40 when the other parent earns $4,000, and $258.86 with 182 days a year of shared time. When the parent the children live with has no income, or at very high incomes, Virginia can be higher.
More about Texas
- Child support and your tax refund: the offset rules (2026)Yes. Under 42 U.S.C. § 664, the Treasury withholds a federal tax refund to pay past-due child support that a state child support agency has certified, and sends the money to that state. A case qualifies when at least $150 is owed on support assigned to the state for public assistance, or at least $500 in other cases (45 CFR 303.72). The state must send a notice first that explains how to contest the amount, and a spouse on a joint return can claim their share back with IRS Form 8379.
- Child support when parents live in different statesWhen parents live in different states, the court that sets support applies its own state's law and guideline (Texas Family Code § 159.303). A state can make an order against a parent who lives elsewhere only on one of the jurisdiction bases in the Uniform Interstate Family Support Act (§ 159.201); otherwise the case is heard in the other parent's state, with the two states' child support agencies working together. An order from another state is registered to be enforced, and in Texas the other party has 30 days after notice to contest it (§ 159.605).
- Does 50/50 custody mean no child support? Texas, New York and Virginia (2026)No. In Texas, New York and Virginia, equal time with each parent does not by itself end child support. Only Virginia's guideline uses the number of days: above 90 days a year with each parent, a shared custody formula lowers support, and with equal time the parent who earns more usually pays the difference. Texas and New York apply their usual formula; in Texas, parenting time is a factor a court may weigh to depart from it, and New York's statute has no shared custody formula, but with truly equal time its appellate courts make the parent with the larger income share the paying parent.
- How child support is calculatedEvery state sets a guideline formula in law, and courts apply it unless they find it unjust or inappropriate. The formula takes the parents' income (gross or net, one parent's or both), turns it into a base amount with a percentage or a schedule, adds some costs such as child care and health insurance, and in some states adjusts for parenting time and very low or high incomes. Texas, New York and Virginia each do these steps differently, so the same family gets a different figure in each.
- Income shares vs percentage of income: how child support models differ (2026)A percentage of income model sets support as a fixed share of the paying parent's income, and the other parent's income does not enter the formula. An income shares model starts from both parents' combined income, finds the basic support amount the guideline sets for that income, and splits it in proportion to each parent's income. Texas uses a percentage of the paying parent's net resources, Virginia uses income shares, and New York applies a fixed percentage to both parents' combined income and splits it by income.
- Child support and taxes: what the IRS says (2026)Child support is neither taxable nor deductible under federal tax law: the IRS says child support payments are not deductible by the parent who pays them and not taxable to the parent who receives them. Who claims the child is a separate question. The IRS treats the parent the child lived with for more nights in the year as the one entitled to claim the child; that parent can release the child tax credit to the other parent with Form 8332, but head of household status, the earned income credit and the child care credit stay with the parent the child lived with.