Columbia Academy is located at 1785 Columbia Avenue, Corning, CA 96021. The school serves students in kindergarten through grade 8. Enrollment stands at approximately 10 students as of the 2023–24 school year. The student-teacher ratio is 6:1. The student body is 20% female and 80% male. State testing shows that 25% of students reached proficiency in math and 25% in reading. Columbia Academy operates as a public alternative community day school within Corning Union Elementary School District, established in 1997 to serve students requiring an alternative educational setting — functioning as the district's only dedicated alternative campus with the highest per-pupil expenditure in CUESD at $31,041 annually. Columbia Academy serves students district-wide rather than through a fixed neighborhood attendance boundary, with placement determined by district referral rather than residential zone. Homes in the surrounding Corning area trade near $325,000 based on current Tehama County market data. As CUESD's designated alternative community day school, Columbia Academy stands among the best elementary school in California as a specialized public educational option in the Corning, CA school district for students requiring individualized small-group instruction outside the traditional classroom setting.