For online colleges that offer online degrees/programs, Northcentral University has the lowest number of students to a faculty (1 to 1) and National American University-Richardson has the second lowest ratio of 1 to 1 based on academic year 2019-2020 college enrollment data.
Below table ranks and compares the Online Colleges with Smaller Class Size having the lowest students to faculty ratio. For the ranking, we include colleges with more than 50% online students who enrolled online exclusively.

Online Colleges with Smaller Class Size Comparison Table

RankCollege NameIn-State Tuition & FeesOut-of-State Tuition & FeesStudent Population (Total)Online Student PopulationNumber of ProgramsNumber of Online ProgramsStudents to Faculty Ratio
1Northcentral University
La Jolla, CA
$11,930$12,47410,53510,53552521 to 1
2National American University-Richardson
Richardson, TX
$15,000$15,00015014820-1 to 1
3National American University-Rochester
Rochester, MN
$15,000$15,000222021-1 to 1
4California Intercontinental University
Irvine, CA
$9,205$10,80550550531311 to 1
5National American University-Roseville
Roseville, MN
$15,000$15,00013512632-2 to 1
6National American University-Mesquite
Mesquite, TX
$15,000$15,00018017429-2 to 1
7Shiloh University
Kalona, IA
$4,510$5,250424214142 to 1
8National American University-Georgetown
Georgetown, TX
$15,000$14,985846528-2 to 1
9Heritage Bible College
Dunn, NC
$8,328$8,3283232223 to 1
10Family of Faith Christian University
Shawnee, OK
$6,570$7,92010296443 to 1
Average$12,638$14,0241,521,3841,327,520373118 to 1