Peer institutions have been selected as most like The College of Idaho in enrollment (size), curriculum and degrees offered (liberal arts/baccalaureate), and geographic location (suburban/rural).

Alma College
Coe College
Cornell College
Doane College-Crete
Georgetown College
Hampden-Sydney College
Hanover College
Hartwick College
Hiram College
Illinois College
Juniata College
Linfield College - McMinnville                                                                    
Lycoming College
Maryville College
Presbyterian College
Randolph-Macon College
Ripon College
Wartburg College
Westminster College (MO)
Westminster College (UT)
Whittier College