Alta Vista High School is accredited by the North Central Association of Colleges and Schools, an independent organization that reviews public schools and colleges. The accreditation process consists of a thorough review, evaluation and graded report of the school's mission, performance goals, courses, teacher instruction, administrative procedures and achievement data, to name a few areas, by a North Central Association team.

To students and parents, accreditation means that student transcripts and grades are accepted by colleges throughout the country.