Columbia High School is a four-year comprehensive regional public high school in Maplewood, in Essex County, in the U.S. state of New Jersey. It serves students in ninth through twelfth grades, as the lone secondary school of the South Orange-Maplewood School District, which includes Maplewood and neighboring South Orange. The school has been accredited by the Middle States Association of Colleges and Schools Commissions on Elementary and Secondary Schools since 1928; its accreditation expires in July 2025. As of the 2022–23 school year, the school had an enrollment of 1,930 students and 150.4 classroom teachers (on an FTE basis), for a student–teacher ratio of 12.8:1. There were 247 students (12.8% of enrollment) eligible for free lunch and 46 (2.4% of students) eligible for reduced-cost lunch. Source: Wikipedia (en)