#1 Fastest-Growing Private Schools in Marion County, IN
Suburban Christian School
Baptist school · Grades Pre-K–12
Enrollment up 500% in about a decade
Indianapolis, IN
B-Overall grade600 students18 students per teacher
2026 lists
Fastest-Growing Private Schools in Marion County, IN
Private schools in Marion County, IN whose enrollment has grown the most over the past decade. Top 23 of 23 schools.
#2 Fastest-Growing Private Schools in Marion County, IN
The Oaks Academy
Christian school (nondenominational) · Grades Pre-K–8
Enrollment up 185% in about a decade
Indianapolis, IN
A+Overall grade971 students8 students per teacher
#3 Fastest-Growing Private Schools in Marion County, IN
Burge Terrace Christian School
Baptist school · Grades Pre-K–6
Enrollment up 174% in about a decade
Indianapolis, IN
B+Overall grade145 students15 students per teacher
#4 Fastest-Growing Private Schools in Marion County, IN
School of Knowledge
Islamic school · Grades Pre-K–12
Enrollment up 164% in about a decade
Indianapolis, IN
A+Overall grade422 students10 students per teacher
#5 Fastest-Growing Private Schools in Marion County, IN
Holy Cross Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Enrollment up 143% in about a decade
Indianapolis, IN
B-Overall grade391 students
#6 Fastest-Growing Private Schools in Marion County, IN
Providence Cristo Rey High School
Independent Catholic school · Grades 9–12
Enrollment up 128% in about a decade
Indianapolis, IN
A+Overall grade237 students11 students per teacher
#7 Fastest-Growing Private Schools in Marion County, IN
St. Mark Catholic School
Diocesan school · Grades Pre-K–8
Enrollment up 109% in about a decade
Indianapolis, IN
BOverall grade459 students19 students per teacher
#8 Fastest-Growing Private Schools in Marion County, IN
Crosspointe Christian Academy
Baptist school · Grades Pre-K–12
Enrollment up 87% in about a decade
Indianapolis, IN
AOverall grade268 students12 students per teacher
#9 Fastest-Growing Private Schools in Marion County, IN
Colonial Christian School
Baptist school · Grades Pre-K–12
Enrollment up 66% in about a decade
Indianapolis, IN
B+Overall grade245 students14 students per teacher
#10 Fastest-Growing Private Schools in Marion County, IN
Little Flower Catholic School
Parish school · Grades Pre-K–8
Enrollment up 62% in about a decade
Indianapolis, IN
A+Overall grade353 students12 students per teacher
#11 Fastest-Growing Private Schools in Marion County, IN
Central Catholic
Diocesan school · Grades Pre-K–8
Enrollment up 46% in about a decade
Indianapolis, IN
BOverall grade230 students16 students per teacher
#12 Fastest-Growing Private Schools in Marion County, IN
Trinity Christian School
Church of God school · Grades Pre-K–12
Enrollment up 46% in about a decade
Indianapolis, IN
BOverall grade171 students17 students per teacher
#13 Fastest-Growing Private Schools in Marion County, IN
TP Schools
Pentecostal school · Grades Pre-K–8
Enrollment up 41% in about a decade
Indianapolis, IN
B-Overall grade246 students18 students per teacher
#14 Fastest-Growing Private Schools in Marion County, IN
Fortune Academy
Special education school · Grades 2–12
Enrollment up 40% in about a decade
Indianapolis, IN
A+Overall grade94 students4 students per teacher
#15 Fastest-Growing Private Schools in Marion County, IN
Scecina Memorial High School
Diocesan school · Grades 9–12
Enrollment up 32% in about a decade
Indianapolis, IN
A+Overall grade454 students12 students per teacher
#16 Fastest-Growing Private Schools in Marion County, IN
Nativity Catholic School
Independent Catholic school · Grades Pre-K–8
Enrollment up 23% in about a decade
Indianapolis, IN
BOverall grade385 students18 students per teacher
#17 Fastest-Growing Private Schools in Marion County, IN
Covenant Christian High School
Christian school (nondenominational) · Grades 9–12
Enrollment up 22% in about a decade
Indianapolis, IN
BOverall grade377 students13 students per teacher
#18 Fastest-Growing Private Schools in Marion County, IN
St. Michael-St.. Gabriel Archangels Catholic Eleme
Independent Catholic school · Grades Pre-K–8
Enrollment up 18% in about a decade
Indianapolis, IN
A+Overall grade295 students11 students per teacher
#19 Fastest-Growing Private Schools in Marion County, IN
Lutheran High School of Indianapolis
Lutheran (Missouri Synod) school · Grades 9–12
Enrollment up 14% in about a decade
Indianapolis, IN
BOverall grade268 students17 students per teacher
#20 Fastest-Growing Private Schools in Marion County, IN
Trinity Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Enrollment up 13% in about a decade
Indianapolis, IN
B+Overall grade148 students16 students per teacher
#21 Fastest-Growing Private Schools in Marion County, IN
Holy Angels Catholic School
Diocesan school · Grades Pre-K–6
Enrollment up 12% in about a decade
Indianapolis, IN
BOverall grade124 students16 students per teacher
#22 Fastest-Growing Private Schools in Marion County, IN
Heritage Christian School
Christian school (nondenominational) · Grades Pre-K–12
Enrollment up 10% in about a decade
Indianapolis, IN
A-Overall grade1,476 students12 students per teacher
#23 Fastest-Growing Private Schools in Marion County, IN
Sycamore School
Independent school · Grades Pre-K–8
Enrollment up 10% in about a decade
Indianapolis, IN
A+Overall grade366 students7 students per teacher
From official public records, updated October 2026.