#1 Largest Private Schools in Hamilton County, IN
St. Theodore Guerin High School
Diocesan school · Grades 9–12
800 students
Noblesville, IN
B+Overall grade800 students14 students per teacher
2026 lists
Largest Private Schools in Hamilton County, IN
The private schools in Hamilton County, IN with the most students. Top 24 of 24 schools.
#2 Largest Private Schools in Hamilton County, IN
Our Lady of Mount Carmel
Parish school · Grades K–8
654 students
Carmel, IN
A-Overall grade654 students12 students per teacher
#3 Largest Private Schools in Hamilton County, IN
St. Louis De Montfort Catholic School
Diocesan school · Grades Pre-K–8
492 students
Fishers, IN
BOverall grade492 students17 students per teacher
#4 Largest Private Schools in Hamilton County, IN
St. Maria Goretti School
Parish school · Grades Pre-K–8
417 students
Westfield, IN
BOverall grade417 students18 students per teacher
#5 Largest Private Schools in Hamilton County, IN
Our Lady of Grace School
Parish school · Grades K–8
380 students
Noblesville, IN
BOverall grade380 students17 students per teacher
#6 Largest Private Schools in Hamilton County, IN
Eman Schools
Islamic school · Grades Pre-K–12
373 students
Fishers, IN
A+Overall grade373 students8 students per teacher
#7 Largest Private Schools in Hamilton County, IN
University High School of Indiana
Independent school · Grades 9–12
358 students
Carmel, IN
AOverall grade358 students10 students per teacher
#8 Largest Private Schools in Hamilton County, IN
Legacy Christian School
Christian school (nondenominational) · Grades Pre-K–12
245 students
Noblesville, IN
B-Overall grade245 students14 students per teacher
#9 Largest Private Schools in Hamilton County, IN
Coram Deo Academy
Religious school · Grades Pre-K–10
225 students
Carmel, IN
BOverall grade225 students16 students per teacher
#10 Largest Private Schools in Hamilton County, IN
Coram Deo Academy
Religious school · Grades Pre-K–10
225 students
Carmel, IN
B-Overall grade225 students13 students per teacher
#11 Largest Private Schools in Hamilton County, IN
Highlands Latin School
Christian school (nondenominational) · Grades Pre-K–12
176 students
Carmel, IN
B+Overall grade176 students8 students per teacher
#12 Largest Private Schools in Hamilton County, IN
Fishers Christian Academy
Baptist school · Grades Pre-K–12
134 students
Fishers, IN
AOverall grade134 students10 students per teacher
#13 Largest Private Schools in Hamilton County, IN
Midwest Academy
Independent school · Grades 9–12
111 students
Carmel, IN
BOverall grade111 students9 students per teacher
#14 Largest Private Schools in Hamilton County, IN
Montessori School of Westfield
Montessori school · Grades Pre-K–8
103 students
Westfield, IN
A-Overall grade103 students7 students per teacher
#15 Largest Private Schools in Hamilton County, IN
Indiana Academy
Seventh-day Adventist school · Grades 9–12
101 students
Cicero, IN
B+Overall grade101 students16 students per teacher
#16 Largest Private Schools in Hamilton County, IN
Union Bible Academy
Christian (nondenominational) · Montessori · Kindergarten only
70 students
Westfield, IN
B+Overall grade70 students10 students per teacher
#17 Largest Private Schools in Hamilton County, IN
Indiana Montessori Academy
Montessori school · Grades Pre-K–K
31 students
Carmel, IN
B+Overall grade31 students10 students per teacher
#18 Largest Private Schools in Hamilton County, IN
Primrose School at Gray Eagle
Early childhood program · Grades Pre-K–K
30 students
Fishers, IN
B+Overall grade30 students12 students per teacher
#19 Largest Private Schools in Hamilton County, IN
Primrose School at West Clay
Early childhood program · Grades Pre-K–K
30 students
Carmel, IN
B+Overall grade30 students15 students per teacher
#20 Largest Private Schools in Hamilton County, IN
International Montessori School
Montessori school · Grades Pre-K–3
27 students
Indianapolis, IN
B+Overall grade27 students7 students per teacher
#21 Largest Private Schools in Hamilton County, IN
Advent Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–6
25 students
Zionsville, IN
AOverall grade25 students8 students per teacher
#22 Largest Private Schools in Hamilton County, IN
Community Montessori School
Montessori school · Grades Pre-K–6
24 students
Fishers, IN
A-Overall grade24 students8 students per teacher
#23 Largest Private Schools in Hamilton County, IN
Primrose School at Bridgewater
Early childhood program · Grades Pre-K–K
22 students
Westfield, IN
A-Overall grade22 students7 students per teacher
#24 Largest Private Schools in Hamilton County, IN
Cicero SDA Elementary
Seventh-day Adventist school · Grades 1–8
21 students
Cicero, IN
AOverall grade21 students11 students per teacher
From official public records, updated October 2026.