Child support in Connecticut generally ends when a child turns 18 years old under C.G.S. § 46b-84. If the child is still a full-time high school student at age 18, support continues until high school graduation or the child's 19th birthday, whichever occurs first. Connecticut courts can extend support to age 23 for college expenses under C.G.S. § 46b-56c and to age 26 for children with disabilities under Public Act 23-137. Child support obligations in Connecticut do not terminate automatically. The paying parent must file a motion with the court to formally end the obligation, even after the child reaches the applicable age threshold.
| Key Fact | Detail |
|---|---|
| Standard Termination Age | 18 (or 19 if still in high school) |
| College Support Extension | Up to age 23 under C.G.S. § 46b-56c |
| Disabled Child Extension | Up to age 26 (orders after Oct. 1, 2023) |
| Divorce Filing Fee | $350 (as of March 2026) |
| Residency Requirement | 12 months domicile before decree is granted |
| Waiting Period | 90 days from return date of service |
| Grounds | No-fault (irretrievable breakdown) or fault-based |
| Property Division | Equitable distribution |
| Parenting Education Fee | $125 per parent (mandatory with minor children) |
| Support Calculation Model | Income Shares Model |
When Does Child Support End in Connecticut Under Standard Rules
Child support in Connecticut ends at age 18 for most families, with an automatic extension to age 19 if the child remains enrolled as a full-time high school student. Under C.G.S. § 46b-84, both parents share a legal obligation to maintain a minor child according to their respective abilities. The court considers each parent's age, health, occupation, earning capacity, income sources, estate value, and vocational skills when setting and terminating support orders.
Connecticut law defines the standard termination events clearly. Child support ends when the child reaches 18 and has completed high school, or when the child turns 19 regardless of high school enrollment status. The statute uses the phrase "unmarried child who has not attained the age of eighteen" as the baseline for the support obligation, with the high school exception extending that window by up to 12 months.
Parents should understand that reaching the termination age does not automatically stop wage withholding or direct payments. The paying parent must file a motion to modify or terminate the child support order with the Connecticut Superior Court. Until a judge signs a new order, the original obligation remains enforceable, and unpaid amounts continue to accrue as arrearages. Connecticut courts have the authority to enforce arrearages even after the child reaches adulthood, and interest accrues on overdue balances.
Early Termination Through Emancipation
A child in Connecticut can be emancipated before age 18, which immediately terminates the parents' support obligation. Under C.G.S. § 46b-150, any minor who has reached age 16 and resides in Connecticut may petition for emancipation through Superior Court for Juvenile Matters or Probate Court using Form PC-905. A parent or guardian may also file the petition on the minor's behalf.
Connecticut recognizes four grounds for emancipation under the statute. First, the minor has entered into a valid marriage, even if that marriage is later dissolved. Second, the minor is serving on active duty with the United States armed forces. Third, the minor is living separately from parents or guardians and managing their own financial affairs. Fourth, the court finds good cause based on the best interest of the minor, any child of the minor, or the parents.
Once a court grants emancipation under C.G.S. § 46b-150d, the effects are comprehensive. The emancipated minor may enter binding contracts, sue and be sued, consent to medical care, establish a separate residence, and retain all personal earnings free of parental control. The parents' obligation to provide financial support terminates completely upon the entry of an emancipation decree.
College and Educational Support Orders
Connecticut is one of a small number of states where courts can order divorced parents to contribute to a child's college education costs. Under C.G.S. § 46b-56c, a court may enter an educational support order covering up to 4 full academic years of undergraduate education or vocational training, with all support terminating no later than the child's 23rd birthday. The order can cover tuition, room, board, fees, registration costs, application fees, books, and medical insurance.
The court must find it is "more likely than not" that the parents would have provided educational support had the family remained intact. Connecticut caps the amount a court can order at the cost charged by the University of Connecticut for a full-time in-state student at the time the child matriculates, unless both parents voluntarily agree to exceed that cap. For the 2025-2026 academic year, UConn's in-state cost of attendance is approximately $35,000, which serves as the practical ceiling for most educational support orders.
A critical procedural requirement applies to educational support orders in Connecticut. The order must be entered at the time of the divorce, or the divorce decree must explicitly reserve the right to request one later. If neither party raises educational support during the dissolution proceedings and the decree does not preserve the issue, neither parent may obtain an educational support order afterward. This rule catches many Connecticut parents off guard, making it essential to address college costs during the initial divorce negotiation.
The court weighs 6 factors when deciding educational support: both parents' income and assets, the child's financial resources and earning ability, availability of financial aid including grants and loans, the reasonableness of the proposed education given the child's academic record, evidence of the specific institution the child would attend, and the child's demonstrated preparation for and commitment to higher education.
Child Support for Children with Disabilities
Connecticut significantly expanded support obligations for children with disabilities through Public Act 23-137, effective October 1, 2023. For all child support orders entered on or after that date, courts can order support for a child with an intellectual, physical, or mental disability up to age 26, a 5-year increase from the previous limit of age 21. This change aligns with the federal Affordable Care Act provision allowing children to remain on parents' health insurance until age 26.
For child support orders entered before October 1, 2023, the prior law applies and courts may extend support for a disabled child only through age 21. Parents with older orders who believe the age-26 extension should apply to their situation may need to file a motion to modify the existing order under the new statutory framework.
In cases involving a child with a severe disability that prevents the child from ever becoming self-supporting, Connecticut courts retain the authority to order support indefinitely, with no age cap. This open-ended obligation applies when the disability is so significant that the adult child cannot maintain employment, manage financial affairs, or live independently. The court evaluates medical evidence, functional assessments, and the child's long-term prognosis when determining whether indefinite support is warranted.
How Connecticut Calculates Child Support Amounts
Connecticut uses the Income Shares Model to calculate child support under C.G.S. § 46b-215a and Regulations § 46b-215a-2c. The model estimates the amount both parents would have spent on the child if the household remained intact, then divides that cost between the parents proportionally based on each parent's share of combined net income. Parents complete Form FM-220, the official Child Support and Arrearage Guidelines Worksheet, to determine the presumptive support amount.
The calculation follows a 5-step process. First, each parent's gross weekly income is determined from all sources, including salary, wages, commissions, bonuses, pensions, trust income, and investment returns. Second, allowable deductions are subtracted to arrive at each parent's net weekly income. Third, both parents' net weekly incomes are combined. Fourth, the combined amount is referenced against the Schedule of Basic Child Support Obligations to find the base obligation for the applicable number of children. Fifth, the base obligation is divided between parents in proportion to each parent's percentage of combined net income.
For reference, a combined net weekly income of $1,000 produces a basic child support obligation of approximately $229 per week for one child under the current guidelines. When combined net weekly income exceeds $4,000 per week, the guidelines schedule no longer applies and the court determines support on a case-by-case basis considering the statutory criteria in C.G.S. § 46b-84.
Additional expenses are added on top of the basic obligation and split proportionally between parents. These include the child's share of health insurance premiums, unreimbursed medical expenses, and work-related childcare costs. If a parent is voluntarily unemployed or underemployed, the court may impute income based on that parent's education, work history, and earning capacity.
How to File a Motion to Terminate Child Support in Connecticut
Terminating child support in Connecticut requires filing a motion with the Superior Court that issued the original order. The paying parent must file a Motion for Modification (Form JD-FM-174) requesting termination of the support obligation. The $350 filing fee applies to new dissolution actions, though motions to modify within an existing case may have lower fees. Filing fee waivers are available through Form JD-FM-75 for households earning below 125% of the federal poverty level.
The motion should specify the legal basis for termination, such as the child reaching age 18, completing high school, marrying, enlisting in the military, or being emancipated by court order. The filing parent must serve the motion on the other parent, who has the right to object. If the other parent contests the motion, the court schedules a hearing where both sides present evidence.
Connecticut courts will not retroactively reduce or eliminate child support arrearages that accumulated before the motion was filed. Under C.G.S. § 46b-86, modifications take effect from the date the motion is filed or served, not from the date the qualifying event occurred. A parent who delays filing a termination motion after the child turns 18 remains liable for all support payments that accrued during the delay. This rule makes timely filing essential to avoid unnecessary financial exposure.
The court process for termination typically takes 4 to 8 weeks from filing to resolution when the motion is uncontested. Contested motions involving disputes over the child's status, such as whether the child is truly self-supporting or whether a disability qualifies for extended support, can take 3 to 6 months to resolve.
Voluntary Agreements for Extended Support
Connecticut allows parents to agree voluntarily to support terms that exceed the statutory requirements. Under C.G.S. § 46b-66, the court may incorporate written agreements for support of adult children directly into the dissolution decree. Once incorporated, these voluntary agreements become court orders enforceable through contempt proceedings, giving them the same legal weight as judicially imposed support obligations.
This mechanism is commonly used when parents wish to fund college expenses beyond the UConn tuition cap, provide graduate school support, or extend financial assistance past age 23. Because the agreement is voluntary, the statutory limitations of C.G.S. § 46b-56c do not apply. Parents can agree to any support duration, any dollar amount, and any type of expense coverage.
The court reviews voluntary support agreements for fairness and equity before incorporating them into the decree. A parent who later wishes to modify a voluntary agreement faces a higher burden than modifying a standard child support order, because the court treats the agreement as a binding contract between the parties. Modification typically requires proof of a substantial change in circumstances that was not anticipated at the time of the agreement.
Connecticut Residency Requirements for Divorce Filing
At least one spouse must have been domiciled in Connecticut for a minimum of 12 consecutive months before the court can grant a final divorce decree. Connecticut law distinguishes between filing and granting: a spouse may file the divorce petition before completing 12 months of residency, but the court will not issue the final judgment until the residency requirement is satisfied. Domicile requires both physical presence in Connecticut and the intent to make the state a permanent home.
Connecticut recognizes 2 exceptions to the 12-month residency rule. First, if either spouse was domiciled in Connecticut at the time of the marriage, left the state, and returned with the intent to live permanently before filing. Second, if the grounds for divorce arose after one or both spouses moved into Connecticut. Active-duty military members who were Connecticut residents before entering service maintain their Connecticut domicile throughout their period of service.
Comparison: Child Support Termination Ages Across New England
| State | Standard End Age | High School Extension | College Support | Disability Extension |
|---|---|---|---|---|
| Connecticut | 18 | 19 | Up to 23 (C.G.S. § 46b-56c) | Up to 26 (PA 23-137) |
| Massachusetts | 18 | 20 (if enrolled) | Up to 23 | Case-by-case |
| New York | 21 | Included in 21 | Not ordered (voluntary) | Case-by-case |
| New Jersey | 19 | Included in 19 | Case-by-case | Indefinite |
| Rhode Island | 18 | 19 | Not ordered | Case-by-case |
| Maine | 18 | 19 | Not ordered | Case-by-case |
Connecticut's educational support order statute makes it one of the most protective states in New England for children of divorced parents seeking higher education. The age-26 disability extension enacted through Public Act 23-137 also places Connecticut among the most generous states nationally for supporting children with disabilities after divorce.
Frequently Asked Questions
Does child support automatically stop at 18 in Connecticut?
No. Child support in Connecticut does not automatically stop at age 18 or any other age. The paying parent must file a motion with the Superior Court to formally terminate the obligation. Until a judge signs an order ending support, payments remain due and unpaid amounts accrue as enforceable arrearages under C.G.S. § 46b-86. Wage withholding continues until the court processes the termination.
Can a Connecticut court order me to pay for my child's college after divorce?
Yes. Under C.G.S. § 46b-56c, Connecticut courts can order either or both parents to contribute to up to 4 years of undergraduate education or vocational training, with support ending no later than the child's 23rd birthday. The amount is capped at the University of Connecticut's in-state cost of attendance, approximately $35,000 per year for 2025-2026. The order must be entered at the time of divorce or expressly reserved in the decree.
What happens if my child drops out of college in Connecticut?
If a child receiving educational support under C.G.S. § 46b-56c withdraws from school, the paying parent can file a motion to modify or terminate the educational support order. The court evaluates whether the child has abandoned the pursuit of education or is taking a temporary leave. A child who drops out and does not re-enroll within a reasonable time loses eligibility for court-ordered educational support.
When does child support end for a disabled child in Connecticut?
For child support orders entered on or after October 1, 2023, support for a child with an intellectual, physical, or mental disability can continue until age 26 under Public Act 23-137. For orders entered before that date, the prior cap of age 21 applies. In cases of severe disability preventing self-support, Connecticut courts may order support indefinitely with no age limit.
How do I terminate child support in Connecticut?
File a Motion for Modification (Form JD-FM-174) with the Connecticut Superior Court that issued the original order. Serve the motion on the other parent, who has 20 days to respond. If uncontested, the court typically processes the termination within 4 to 8 weeks. Contested motions can take 3 to 6 months. The modification takes effect from the filing date, not retroactively.
Does child support end if my child gets married in Connecticut?
Yes. Marriage is a recognized emancipation event under Connecticut law. When a child marries, the parents' support obligation terminates because the child is no longer considered a minor dependent. The paying parent should still file a motion to formally terminate the order and stop wage withholding. Even if the marriage is later annulled or dissolved, the emancipation through marriage remains valid under C.G.S. § 46b-150.
Can I get a fee waiver for filing a child support modification in Connecticut?
Yes. Connecticut offers fee waivers through Form JD-FM-75 for individuals whose household income falls below 125% of the federal poverty level. For 2026, that threshold is approximately $19,088 for a single-person household. The fee waiver covers filing fees, service of process costs, and other court-related expenses associated with the motion.
What is the income limit for child support guidelines in Connecticut?
Connecticut's child support guidelines schedule applies to combined parental net weekly income up to $4,000 per week, which equals approximately $208,000 per year in combined net income. Above that threshold, the court determines support on a case-by-case basis using the statutory factors in C.G.S. § 46b-84, including each parent's assets, income, earning capacity, and the child's needs.
Does joining the military end child support in Connecticut?
Yes. Active-duty military service is a statutory ground for emancipation under C.G.S. § 46b-150. When a minor child enlists and begins active duty with the United States armed forces, the child is considered emancipated and the parents' support obligation terminates. The paying parent should file a motion to formally end the order and provide proof of the child's military enlistment.
Can child support be modified before it ends in Connecticut?
Yes. Either parent can file a motion to modify child support at any time by demonstrating a substantial change in circumstances under C.G.S. § 46b-86. Common grounds include job loss, significant income change exceeding 15%, remarriage affecting household expenses, changes in the child's needs, or changes in parenting time. Connecticut also allows modification if the existing order deviates from current guidelines by more than 15%.