#1 Fastest-Growing Private Schools in Denver County, CO
St. Elizabeth's School
Episcopal school · Grades K–8
Enrollment up 118% in about a decade
Denver, CO
A+Overall grade133 students5 students per teacher
2026 lists
Fastest-Growing Private Schools in Denver County, CO
Private schools in Denver County, CO whose enrollment has grown the most over the past decade. Top 12 of 12 schools.
#2 Fastest-Growing Private Schools in Denver County, CO
Escuela De Guadalupe
Independent Catholic school · Grades Pre-K–8
Enrollment up 66% in about a decade
Denver, CO
A-Overall grade189 students12 students per teacher
#3 Fastest-Growing Private Schools in Denver County, CO
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
#4 Fastest-Growing Private Schools in Denver County, CO
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
#5 Fastest-Growing Private Schools in Denver County, CO
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
#6 Fastest-Growing Private Schools in Denver County, CO
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
#7 Fastest-Growing Private Schools in Denver County, CO
Denver Academy
Independent school · Grades 2–12
Enrollment up 22% in about a decade
Denver, CO
B-Overall grade457 students7 students per teacher
#8 Fastest-Growing Private Schools in Denver County, CO
Hillel Academy
Jewish day school · Grades Pre-K–8
Enrollment up 22% in about a decade
Denver, CO
BOverall grade270 students9 students per teacher
#9 Fastest-Growing Private Schools in Denver County, CO
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
#10 Fastest-Growing Private Schools in Denver County, CO
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
#11 Fastest-Growing Private Schools in Denver County, CO
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
#12 Fastest-Growing Private Schools in Denver County, CO
Blessed Sacrament Parish School
Diocesan school · Grades Pre-K–8
Enrollment up 10% in about a decade
Denver, CO
AOverall grade327 students10 students per teacher
From official public records, updated October 2026.