Ohio Rev. Code § 5.23: School holidays.

(A) The twelfth day of February, known as Lincoln's birthday, the twenty-second day of February, known as Washington's birthday, the thirtieth day of May, known as Memorial day, and the eleventh day of November, known as Veterans' day, shall be commemorated in the schools.

(B) The tenth day of November is designated as "veterans educate today's students day" or "V.E.T.S. day." Each elementary and secondary school in this state is encouraged to commemorate and observe this day by inviting veterans, on or about this day, to visit the school and discuss their military experiences with the students of the school.