Alva Review-Courier -

Oklahoma is one of 25 states requiring three years of math for graduation, according to the Education Commission of the States.

Eighteen states require four; the others require two, have graduation requirements set by local school boards or have proficiency-based graduation.

Three years of math is also the minimum for college admission to both Oklahoma State University and the University of Oklahoma. However, OU recommends four units of math and science. Plus, the university says the level of rigor in an applicant's class selection is the second most influential factor, after grade-point avera...