#1 Private Schools with the Smallest Classes in Denver, CO
Montessori Children's House of Denver
Montessori school · Grades K–5
3.6 students per teacher
Denver, CO
AOverall grade43 students4 students per teacher
2026 lists
Private Schools with the Smallest Classes in Denver, CO
Private schools in Denver, CO with the fewest students per teacher (not counting preschools and special education schools). Top 30 of 30 schools.
#2 Private Schools with the Smallest Classes in Denver, CO
Beth Jacob High School of Denver
Jewish day school · Grades 9–12
3.7 students per teacher
Denver, CO
AOverall gradeAll girls43 students4 students per teacher
#3 Private Schools with the Smallest Classes in Denver, CO
Ricks Center for Gifted Children
Independent school · Grades Pre-K–8
3.9 students per teacher
Denver, CO
A+Overall grade157 students4 students per teacher
#4 Private Schools with the Smallest Classes in Denver, CO
Montessori Academy of Colorado
Montessori school · Grades Pre-K–8
4.5 students per teacher
Denver, CO
A+Overall grade76 students5 students per teacher
#5 Private Schools with the Smallest Classes in Denver, CO
St. Elizabeth's School
Episcopal school · Grades K–8
4.7 students per teacher
Denver, CO
A+Overall grade133 students5 students per teacher
#6 Private Schools with the Smallest Classes in Denver, CO
Denver Jewish Day School
Jewish day school · Grades Pre-K–12
5.2 students per teacher
Denver, CO
A+Overall grade316 students5 students per teacher
#7 Private Schools with the Smallest Classes in Denver, CO
Graland Country Day School
Independent school · Grades Pre-K–8
6.1 students per teacher
Denver, CO
BOverall grade651 students6 students per teacher
#8 Private Schools with the Smallest Classes in Denver, CO
International School of Denver
Independent school · Grades Pre-K–8
6.6 students per teacher
Denver, CO
BOverall grade530 students7 students per teacher
#9 Private Schools with the Smallest Classes in Denver, CO
Denver Academy of Torah
Jewish day school · Grades K–12
6.6 students per teacher
Denver, CO
B+Overall grade176 students7 students per teacher
#10 Private Schools with the Smallest Classes in Denver, CO
Denver Academy
Independent school · Grades 2–12
6.9 students per teacher
Denver, CO
B-Overall grade457 students7 students per teacher
#11 Private Schools with the Smallest Classes in Denver, CO
Montessori School of Denver
Montessori school · Grades Pre-K–8
6.9 students per teacher
Denver, CO
B+Overall grade192 students7 students per teacher
#12 Private Schools with the Smallest Classes in Denver, CO
Stanley British Primary School
Independent school · Grades K–8
7.4 students per teacher
Denver, CO
B+Overall grade463 students7 students per teacher
#13 Private Schools with the Smallest Classes in Denver, CO
St. Vincent De Paul Catholic School
Diocesan school · Grades K–8
8 students per teacher
Denver, CO
A+Overall grade372 students8 students per teacher
#14 Private Schools with the Smallest Classes in Denver, CO
Yeshiva Toras Chaim High School
Jewish day school · Grades 9–12
8.1 students per teacher
Denver, CO
B+Overall gradeAll boys67 students8 students per teacher
#15 Private Schools with the Smallest Classes in Denver, CO
Bishop Machebeuf High School
Diocesan school · Grades 9–12
8.2 students per teacher
Denver, CO
A+Overall grade164 students8 students per teacher
#16 Private Schools with the Smallest Classes in Denver, CO
Hillel Academy
Jewish day school · Grades Pre-K–8
8.9 students per teacher
Denver, CO
BOverall grade270 students9 students per teacher
#17 Private Schools with the Smallest Classes in Denver, CO
St. John's School
Lutheran (Missouri Synod) school · Grades K–8
9.3 students per teacher
Denver, CO
A+Overall grade198 students9 students per teacher
#18 Private Schools with the Smallest Classes in Denver, CO
Blessed Sacrament Parish School
Diocesan school · Grades Pre-K–8
10.4 students per teacher
Denver, CO
AOverall grade327 students10 students per teacher
#19 Private Schools with the Smallest Classes in Denver, CO
Assumption Catholic School
Diocesan school · Grades Pre-K–8
11 students per teacher
Denver, CO
A-Overall grade128 students11 students per teacher
#20 Private Schools with the Smallest Classes in Denver, CO
Annunciation
Parish school · Grades K–8
11.5 students per teacher
Denver, CO
AOverall grade161 students12 students per teacher
#21 Private Schools with the Smallest Classes in Denver, CO
Escuela De Guadalupe
Independent Catholic school · Grades Pre-K–8
11.9 students per teacher
Denver, CO
A-Overall grade189 students12 students per teacher
#22 Private Schools with the Smallest Classes in Denver, CO
Notre Dame Parish School
Diocesan school · Grades Pre-K–8
12.1 students per teacher
Denver, CO
A+Overall grade169 students12 students per teacher
#23 Private Schools with the Smallest Classes in Denver, CO
St. James Catholic School
Diocesan school · Grades Pre-K–8
13 students per teacher
Denver, CO
B+Overall grade193 students13 students per teacher
#24 Private Schools with the Smallest Classes in Denver, CO
Mullen High School
Independent Catholic school · Grades 9–12
13.1 students per teacher
Denver, CO
A+Overall grade753 students13 students per teacher
From official public records, updated October 2026.