#1 Largest Private Schools in Denton County, TX
Lighthouse Christian Academy
Christian school (nondenominational) · Grades K–12
4,316 students
Lewisville, TX
B-Overall grade4,316 students
2026 lists
Largest Private Schools in Denton County, TX
The private schools in Denton County, TX with the most students. Top 20 of 20 schools.
#2 Largest Private Schools in Denton County, TX
Prestonwood Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
1,945 students
Plano, TX
AOverall grade1,945 students12 students per teacher
#3 Largest Private Schools in Denton County, TX
Liberty Christian School
Religious school · Grades Pre-K–12
1,183 students
Argyle, TX
AOverall grade1,183 students9 students per teacher
#4 Largest Private Schools in Denton County, TX
Icomprehend Academy
Independent school · Grades K–12
580 students
Lewisville, TX
B-Overall grade580 students23 students per teacher
#5 Largest Private Schools in Denton County, TX
St. Martin De Porres Catholic School
Parish school · Grades Pre-K–8
290 students
Prosper, TX
B+Overall grade290 students12 students per teacher
#6 Largest Private Schools in Denton County, TX
Denton Calvary Academy
Christian school (nondenominational) · Grades K–12
266 students
Denton, TX
B-Overall grade266 students16 students per teacher
#7 Largest Private Schools in Denton County, TX
Harvest Christian Academy, Lantana Campus
Christian school (nondenominational) · Grades Pre-K–12
174 students
Bartonville, TX
B-Overall grade174 students10 students per teacher
#8 Largest Private Schools in Denton County, TX
Lakeland Christian Academy
Baptist school · Grades Pre-K–10
171 students
Lewisville, TX
AOverall grade171 students9 students per teacher
#9 Largest Private Schools in Denton County, TX
The Clariden School
Independent school · Grades Pre-K–12
153 students
Southlake, TX
A+Overall grade153 students5 students per teacher
#10 Largest Private Schools in Denton County, TX
Immaculate Conception Catholic School
Parish school · Grades Pre-K–8
137 students
Denton, TX
A+Overall grade137 students8 students per teacher
#11 Largest Private Schools in Denton County, TX
Connections Wellness Group
Alternative school · Grades 5–12
114 students
Denton, TX
BOverall grade114 students13 students per teacher
#12 Largest Private Schools in Denton County, TX
The Koan School
Alternative school · Grades K–12
81 students
Denton, TX
A+Overall grade81 students4 students per teacher
#13 Largest Private Schools in Denton County, TX
Castle Hills Montessori
Montessori school · Grades Pre-K–3
40 students
Carrollton, TX
AOverall grade40 students2 students per teacher
#14 Largest Private Schools in Denton County, TX
St. Timothy Christian Academy
Special education school · Grades K–12
39 students
Plano, TX
AOverall grade39 students4 students per teacher
#15 Largest Private Schools in Denton County, TX
Alden Montessori School
Montessori school · Grades Pre-K–3
39 students
Flower Mound, TX
B+Overall grade39 students13 students per teacher
#16 Largest Private Schools in Denton County, TX
DKH Academy
Early childhood program · Grades Pre-K–K
37 students
Highland Village, TX
B+Overall grade37 students13 students per teacher
#17 Largest Private Schools in Denton County, TX
Summit Christian Academy
Baptist school · Grades K–11
34 students
Justin, TX
A-Overall grade34 students6 students per teacher
#18 Largest Private Schools in Denton County, TX
Primrose School of Castle Hills
Early childhood program · Grades Pre-K–K
23 students
Carrollton, TX
B+Overall grade23 students12 students per teacher
#19 Largest Private Schools in Denton County, TX
Faith Lutheran Day School
Early childhood program · Grades Pre-K–K
21 students
Flower Mound, TX
A-Overall grade21 students6 students per teacher
#20 Largest Private Schools in Denton County, TX
Montessori Episcopal School
Episcopal · Montessori · Grades Pre-K–K
20 students
Lewisville, TX
A-Overall grade20 students10 students per teacher
From official public records, updated October 2026.