Ohio Revised Code Title XXXI. Domestic Relations Children § 3119.88

(1) The child attains the age of majority if the child no longer attends an accredited high school on a full-time basis and the child support order requires support to continue past the age of majority only if the child continuously attends such a high school after attaining that age;

(2) The child ceases to attend an accredited high school on a full-time basis after attaining the age of majority, if the child support order requires support to continue past the age of majority only if the child continuously attends such a high school after attaining that age;

(3) A termination condition specified in the court child support order has been met for a child who reaches nineteen years of age;

(4) The child's death;

(5) The child's marriage;

(6) The child's emancipation;

(7) The child's enlistment in the armed services;

(8) The child's deportation;

(9) Change of legal custody of the child;

(10) The child's adoption;

(11) The obligor's death;

(12) The grandparent to whom support is being paid or a grandparent who is paying support reports that the grandparent's support order should terminate as a result of one of the events described in division (D) of section 3109.19 of the Revised Code;

(13) Marriage of the obligor under a child support order to the obligee, if the obligor and obligee reside together with the child.