Idaho Code § 33-119
The state board shall establish standards for accreditation of any secondary school and set forth minimum requirements to be met by public, private and parochial secondary schools, and those in chartered school districts, for accredited status; and the board may establish such standards for all public elementary schools as it may deem necessary.
The board may withdraw accreditation from any secondary school after such period as it may establish when it has been determined that such school has failed or neglected to conform to accreditation standards; and it may reinstate such school as accredited when in its judgment such school has again qualified for accredited status. The board may further establish minimum requirements which any pupil shall meet to qualify for graduation from an accredited secondary school.
"Secondary school" for the purposes of this section shall mean a school which, for operational purposes, is organized and administered on the basis of grades seven (7) through twelve (12), inclusive, or any combination thereof.
"Elementary school" for the purposes of this section shall mean a school which, for operational purposes, is organized and administered on the basis of grades one (1) through six (6), inclusive, one (1) through eight (8), inclusive, or any combination of grades one (1) through eight (8), inclusive.
Idaho Code § 33-119