#1 Best Private Schools in Denver, CO
St. Elizabeth's School
Episcopal school · Grades K–8
The smallest classes of any Christian school in Denver
Denver, CO
A+Overall grade133 students5 students per teacher
2026 lists
Best Private Schools in Denver, CO
Private schools in Denver, CO with the highest overall grades. Top 28 of 28 schools.
#2 Best Private Schools in Denver, CO
Bishop Machebeuf High School
Diocesan school · Grades 9–12
Smaller classes than 86% of Catholic schools nationwide
Denver, CO
A+Overall grade164 students8 students per teacher
#3 Best Private Schools in Denver, CO
Ricks Center for Gifted Children
Independent school · Grades Pre-K–8
Smaller classes than 79% of independent schools in Colorado
Denver, CO
A+Overall grade157 students4 students per teacher
#4 Best Private Schools in Denver, CO
Denver Jewish Day School
Jewish day school · Grades Pre-K–12
The largest Jewish school in Denver
Denver, CO
A+Overall grade316 students5 students per teacher
#5 Best Private Schools in Denver, CO
St. Vincent De Paul Catholic School
Diocesan school · Grades K–8
Smaller classes than 77% of Catholic schools in Colorado
Denver, CO
A+Overall grade372 students8 students per teacher
#6 Best Private Schools in Denver, CO
Notre Dame Parish School
Diocesan school · Grades Pre-K–8
Serving families in Denver since at least 2011
Denver, CO
A+Overall grade169 students12 students per teacher
#7 Best Private Schools in Denver, CO
Mullen High School
Independent Catholic school · Grades 9–12
The largest of 47 Catholic schools in Colorado
Denver, CO
A+Overall grade753 students13 students per teacher
#8 Best Private Schools in Denver, CO
Montessori Academy of Colorado
Montessori school · Grades Pre-K–8
One of the 3 largest Montessori schools in Colorado
Denver, CO
A+Overall grade76 students5 students per teacher
#9 Best Private Schools in Denver, CO
St. John's School
Lutheran (Missouri Synod) school · Grades K–8
Smaller classes than 61% of Christian schools in Colorado
Denver, CO
A+Overall grade198 students9 students per teacher
#10 Best Private Schools in Denver, CO
Annunciation
Parish school · Grades K–8
Serving families in Denver since at least 2011
Denver, CO
AOverall grade161 students12 students per teacher
#11 Best Private Schools in Denver, CO
Blessed Sacrament Parish School
Diocesan school · Grades Pre-K–8
Smaller classes than 67% of Catholic schools in Colorado
Denver, CO
AOverall grade327 students10 students per teacher
#12 Best Private Schools in Denver, CO
Escuela De Guadalupe
Independent Catholic school · Grades Pre-K–8
Growing: enrollment up 66% since 2011–12
Denver, CO
A-Overall grade189 students12 students per teacher
#13 Best Private Schools in Denver, CO
Assumption Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 62% of Catholic schools in Colorado
Denver, CO
A-Overall grade128 students11 students per teacher
#14 Best Private Schools in Denver, CO
St. James Catholic School
Diocesan school · Grades Pre-K–8
Growing: enrollment up 26% since 2011–12
Denver, CO
B+Overall grade193 students13 students per teacher
#15 Best Private Schools in Denver, CO
Denver Academy of Torah
Jewish day school · Grades K–12
Growing: enrollment up 39% since 2011–12
Denver, CO
B+Overall grade176 students7 students per teacher
#16 Best Private Schools in Denver, CO
Stanley British Primary School
Independent school · Grades K–8
Small classes: about 7 students per teacher
Denver, CO
B+Overall grade463 students7 students per teacher
#17 Best Private Schools in Denver, CO
Yeshiva Toras Chaim High School
Jewish day school · Grades 9–12
The only all-boys school in Denver
Denver, CO
B+Overall gradeAll boys67 students8 students per teacher
#18 Best Private Schools in Denver, CO
Zion Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Serving families in Denver since at least 2011
Denver, CO
B+Overall grade66 students16 students per teacher
#19 Best Private Schools in Denver, CO
Montessori School of Denver
Montessori school · Grades Pre-K–8
The largest of 14 Montessori schools in Colorado
Denver, CO
B+Overall grade192 students7 students per teacher
#20 Best Private Schools in Denver, CO
Graland Country Day School
Independent school · Grades Pre-K–8
One of the 3 largest independent schools in Colorado
Denver, CO
BOverall grade651 students6 students per teacher
#21 Best Private Schools in Denver, CO
Colorado Academy
Independent school · Grades Pre-K–12
The largest of 46 independent schools in Colorado
Denver, CO
BOverall grade1,009 students
#22 Best Private Schools in Denver, CO
International School of Denver
Independent school · Grades Pre-K–8
Small classes: about 7 students per teacher
Denver, CO
BOverall grade530 students7 students per teacher
#23 Best Private Schools in Denver, CO
Hillel Academy
Jewish day school · Grades Pre-K–8
Growing: enrollment up 22% since 2011–12
Denver, CO
BOverall grade270 students9 students per teacher
#24 Best Private Schools in Denver, CO
Good Shepherd Catholic School
Diocesan school · Grades Pre-K–8
Serving families in Denver since at least 2011
Denver, CO
BOverall grade355 students15 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.