#1 Largest Private Schools in Fort Collins, CO
Heritage Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
286 students
Fort Collins, CO
BOverall grade286 students10 students per teacher
2026 lists
Largest Private Schools in Fort Collins, CO
The private schools in Fort Collins, CO with the most students. Top 6 of 6 schools.
#2 Largest Private Schools in Fort Collins, CO
St. Joseph Catholic School
Parish school · Grades Pre-K–8
178 students
Fort Collins, CO
A-Overall grade178 students13 students per teacher
#3 Largest Private Schools in Fort Collins, CO
Front Range Baptist Academy
Baptist school · Grades Pre-K–12
134 students
Fort Collins, CO
B-Overall grade134 students11 students per teacher
#4 Largest Private Schools in Fort Collins, CO
Rivendell School of Northern Colorado
Independent school · Grades Pre-K–5
122 students
Fort Collins, CO
BOverall grade122 students11 students per teacher
#5 Largest Private Schools in Fort Collins, CO
Christian Core Academy
Christian school (nondenominational) · Grades Pre-K–8
59 students
Fort Collins, CO
AOverall grade59 students4 students per teacher
#6 Largest Private Schools in Fort Collins, CO
Fort Collins Christian School
Seventh-day Adventist school · Grades K–6
29 students
Fort Collins, CO
A-Overall grade29 students6 students per teacher
From official public records, updated October 2026.