#1 Fastest-Growing Private Schools in Arapahoe County, CO
Crescent View Academy
Islamic school · Grades Pre-K–12
Enrollment up 742% in about a decade
Aurora, CO
A+Overall grade539 students10 students per teacher
2026 lists
Fastest-Growing Private Schools in Arapahoe County, CO
Private schools in Arapahoe County, CO whose enrollment has grown the most over the past decade. Top 6 of 6 schools.
#2 Fastest-Growing Private Schools in Arapahoe County, CO
Calvary Christian Academy
Christian school (nondenominational) · Grades K–5
Enrollment up 129% in about a decade
Aurora, CO
A+Overall grade128 students10 students per teacher
#3 Fastest-Growing Private Schools in Arapahoe County, CO
Aspen Academy
Independent school · Grades Pre-K–8
Enrollment up 46% in about a decade
Greenwood Village, CO
B-Overall grade452 students12 students per teacher
#4 Fastest-Growing Private Schools in Arapahoe County, CO
Mackintosh Academy
Independent school · Grades Pre-K–8
Enrollment up 22% in about a decade
Littleton, CO
BOverall grade123 students8 students per teacher
#5 Fastest-Growing Private Schools in Arapahoe County, CO
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
#6 Fastest-Growing Private Schools in Arapahoe County, CO
Kent Denver School
Independent school · Grades 6–12
Enrollment up 13% in about a decade
Englewood, CO
B+Overall grade761 students9 students per teacher
From official public records, updated October 2026.