#25 Largest Private Schools in Colorado
Face School
Christian school (nondenominational) · Grades Pre-K–12
393 students
Westminster, CO
B-Overall grade393 students
2026 lists
Largest Private Schools in Colorado
The private schools in Colorado with the most students. Top 50 of 206 schools.
#26 Largest Private Schools in Colorado
Our Lady of Loreto Catholic School
Parish school · Grades Pre-K–8
391 students
Foxfield, CO
A-Overall grade391 students13 students per teacher
#27 Largest Private Schools in Colorado
St. Vincent De Paul Catholic School
Diocesan school · Grades K–8
372 students
Denver, CO
A+Overall grade372 students8 students per teacher
#28 Largest Private Schools in Colorado
St. Mary Littleton
Parish school · Grades Pre-K–8
370 students
Littleton, CO
BOverall grade370 students13 students per teacher
#29 Largest Private Schools in Colorado
Good Shepherd Catholic School
Diocesan school · Grades Pre-K–8
355 students
Denver, CO
BOverall grade355 students15 students per teacher
#30 Largest Private Schools in Colorado
St. Thomas More Parish School
Diocesan school · Grades Pre-K–8
355 students
Centennial, CO
B-Overall grade355 students19 students per teacher
#31 Largest Private Schools in Colorado
Face School
Christian school (nondenominational) · Grades Pre-K–12
351 students
Westminster, CO
A+Overall grade351 students4 students per teacher
#32 Largest Private Schools in Colorado
Nativity Faith & Reason
Diocesan school · Grades Pre-K–8
350 students
Broomfield, CO
BOverall grade350 students15 students per teacher
#33 Largest Private Schools in Colorado
Blessed Sacrament Parish School
Diocesan school · Grades Pre-K–8
327 students
Denver, CO
AOverall grade327 students10 students per teacher
#34 Largest Private Schools in Colorado
Denver Jewish Day School
Jewish day school · Grades Pre-K–12
316 students
Denver, CO
A+Overall grade316 students5 students per teacher
#35 Largest Private Schools in Colorado
Pikes Peak Christian School
Church of Christ school · Grades K–12
314 students
Colorado Springs, CO
BOverall grade314 students11 students per teacher
#36 Largest Private Schools in Colorado
Frassati Catholic Academy
Diocesan school · Grades Pre-K–8
299 students
Thornton, CO
BOverall grade299 students15 students per teacher
#37 Largest Private Schools in Colorado
Heritage Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
286 students
Fort Collins, CO
BOverall grade286 students10 students per teacher
#38 Largest Private Schools in Colorado
Belleview Christian School
Christian school (nondenominational) · Grades Pre-K–12
284 students
Westminster, CO
BOverall grade284 students11 students per teacher
#39 Largest Private Schools in Colorado
Boulder Country Day School
Independent school · Grades Pre-K–8
281 students
Boulder, CO
B+Overall grade281 students6 students per teacher
#40 Largest Private Schools in Colorado
All Souls Catholic School
Parish school · Grades Pre-K–8
279 students
Englewood, CO
BOverall grade279 students13 students per teacher
#41 Largest Private Schools in Colorado
Hillel Academy
Jewish day school · Grades Pre-K–8
270 students
Denver, CO
BOverall grade270 students9 students per teacher
#42 Largest Private Schools in Colorado
Forge Christian High School
Christian school (nondenominational) · Grades 9–12
257 students
Arvada, CO
B-Overall grade257 students14 students per teacher
#43 Largest Private Schools in Colorado
Forge Christian High School
Christian school (nondenominational) · Grades 9–12
252 students
Arvada, CO
BOverall grade252 students12 students per teacher
#44 Largest Private Schools in Colorado
Aspen Country Day School
Independent school · Grades Pre-K–8
251 students
Aspen, CO
BOverall grade251 students7 students per teacher
#45 Largest Private Schools in Colorado
Fountain Valley School of Colorado
Independent school · Grades 9–12
233 students
Colorado Springs, CO
A+Overall grade233 students5 students per teacher
#46 Largest Private Schools in Colorado
Mile High Academy
Seventh-day Adventist school · Grades Pre-K–12
230 students
Highlands Ranch, CO
A-Overall grade230 students14 students per teacher
#47 Largest Private Schools in Colorado
Sts. Peter & Paul Catholic STEM School
Diocesan school · Grades Pre-K–8
225 students
Wheat Ridge, CO
B+Overall grade225 students18 students per teacher
#48 Largest Private Schools in Colorado
Shrine of St. Anne School
Diocesan school · Grades K–8
216 students
Arvada, CO
BOverall grade216 students14 students per teacher
From official public records, updated October 2026.