#25 Fastest-Growing Private Schools in Colorado
Denver Academy of Torah
Jewish day school · Grades K–12
Enrollment up 39% in about a decade
Denver, CO
B+Overall grade176 students7 students per teacher
2026 lists
Fastest-Growing Private Schools in Colorado
Private schools in Colorado whose enrollment has grown the most over the past decade. Top 50 of 50 schools.
#26 Fastest-Growing Private Schools in Colorado
Lord of Life Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Enrollment up 30% in about a decade
Thornton, CO
BOverall grade91 students17 students per teacher
#27 Fastest-Growing Private Schools in Colorado
St. John's School
Lutheran (Missouri Synod) school · Grades K–8
Enrollment up 29% in about a decade
Denver, CO
A+Overall grade198 students9 students per teacher
#28 Fastest-Growing Private Schools in Colorado
St. James Catholic School
Diocesan school · Grades Pre-K–8
Enrollment up 26% in about a decade
Denver, CO
B+Overall grade193 students13 students per teacher
#29 Fastest-Growing Private Schools in Colorado
Arrupe Jesuit High School
Independent Catholic school · Grades 9–12
Enrollment up 25% in about a decade
Denver, CO
B-Overall grade413 students17 students per teacher
#30 Fastest-Growing Private Schools in Colorado
Holy Family Catholic School
Diocesan school · Grades Pre-K–8
Enrollment up 25% in about a decade
Grand Junction, CO
B-Overall grade406 students
#31 Fastest-Growing Private Schools in Colorado
Pikes Peak Academy
Religious school · Grades 9–12
Enrollment up 25% in about a decade
Colorado Springs, CO
AOverall grade50 students13 students per teacher
#32 Fastest-Growing Private Schools in Colorado
Heritage Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
Enrollment up 23% in about a decade
Fort Collins, CO
BOverall grade286 students10 students per teacher
#33 Fastest-Growing Private Schools in Colorado
Denver Academy
Independent school · Grades 2–12
Enrollment up 22% in about a decade
Denver, CO
B-Overall grade457 students7 students per teacher
#34 Fastest-Growing Private Schools in Colorado
Hillel Academy
Jewish day school · Grades Pre-K–8
Enrollment up 22% in about a decade
Denver, CO
BOverall grade270 students9 students per teacher
#35 Fastest-Growing Private Schools in Colorado
Mackintosh Academy
Independent school · Grades Pre-K–8
Enrollment up 22% in about a decade
Littleton, CO
BOverall grade123 students8 students per teacher
#36 Fastest-Growing Private Schools in Colorado
Waldorf School on the Roaring Fork
Independent school · Grades Pre-K–8
Enrollment up 21% in about a decade
Carbondale, CO
A-Overall grade175 students4 students per teacher
#37 Fastest-Growing Private Schools in Colorado
Pikes Peak Christian School
Church of Christ school · Grades K–12
Enrollment up 20% in about a decade
Colorado Springs, CO
BOverall grade314 students11 students per teacher
#38 Fastest-Growing Private Schools in Colorado
Grand County Christian Academy
Christian school (nondenominational) · Grades K–12
Enrollment up 20% in about a decade
Tabernash, CO
AOverall grade60 students8 students per teacher
#39 Fastest-Growing Private Schools in Colorado
Christ Our Redeemer Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 20% in about a decade
Aurora, CO
B+Overall grade54 students18 students per teacher
#40 Fastest-Growing Private Schools in Colorado
Montessori School of Denver
Montessori school · Grades Pre-K–8
Enrollment up 18% in about a decade
Denver, CO
B+Overall grade192 students7 students per teacher
#41 Fastest-Growing Private Schools in Colorado
Rivendell School of Northern Colorado
Independent school · Grades Pre-K–5
Enrollment up 17% in about a decade
Fort Collins, CO
BOverall grade122 students11 students per teacher
#42 Fastest-Growing Private Schools in Colorado
Southeast Christian School
Christian school (nondenominational) · Grades Pre-K–8
Enrollment up 16% in about a decade
Parker, CO
B+Overall grade414 students15 students per teacher
#43 Fastest-Growing Private Schools in Colorado
Colorado Rocky Mountain School
Independent school · Grades 9–12
Enrollment up 16% in about a decade
Carbondale, CO
B+Overall grade175 students8 students per teacher
#44 Fastest-Growing Private Schools in Colorado
Yeshiva Toras Chaim High School
Jewish day school · Grades 9–12
Enrollment up 16% in about a decade
Denver, CO
B+Overall gradeAll boys67 students8 students per teacher
#45 Fastest-Growing Private Schools in Colorado
Vail Mountain School
Independent school · Grades K–12
Enrollment up 15% in about a decade
Vail, CO
B+Overall grade401 students7 students per teacher
#46 Fastest-Growing Private Schools in Colorado
Colorado Academy
Independent school · Grades Pre-K–12
Enrollment up 14% in about a decade
Denver, CO
BOverall grade1,009 students
#47 Fastest-Growing Private Schools in Colorado
Kent Denver School
Independent school · Grades 6–12
Enrollment up 13% in about a decade
Englewood, CO
B+Overall grade761 students9 students per teacher
#48 Fastest-Growing Private Schools in Colorado
Zion Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 12% in about a decade
Denver, CO
B+Overall grade66 students16 students per teacher
From official public records, updated October 2026.