#1 Largest Private Schools in Richardson, TX
I a N T Quranic Academy
Islamic school · Grades Pre-K–12
355 students
Richardson, TX
A+Overall grade355 students8 students per teacher
2026 lists
Largest Private Schools in Richardson, TX
The private schools in Richardson, TX with the most students. Top 9 of 9 schools.
#2 Largest Private Schools in Richardson, TX
St. Joseph Catholic School
Diocesan school · Grades Pre-K–8
283 students
Richardson, TX
A+Overall grade283 students11 students per teacher
#3 Largest Private Schools in Richardson, TX
North Dallas Adventist Academy
Seventh-day Adventist school · Grades Pre-K–12
250 students
Richardson, TX
B+Overall grade250 students14 students per teacher
#4 Largest Private Schools in Richardson, TX
St. Paul Catholic Classical School
Parish school · Grades Pre-K–8
125 students
Richardson, TX
A+Overall grade125 students8 students per teacher
#5 Largest Private Schools in Richardson, TX
Primrose School of Richardson
Early childhood program · Grades Pre-K–K
107 students
Richardson, TX
B-Overall grade107 students
#6 Largest Private Schools in Richardson, TX
Bridge Builder Academy
Alternative school · Grades K–12
24 students
Richardson, TX
AOverall grade24 students1 students per teacher
#7 Largest Private Schools in Richardson, TX
Primrose School of N. Richardson @ Lookout
Early childhood program · Grades Pre-K–K
24 students
Richardson, TX
B+Overall grade24 students8 students per teacher
#8 Largest Private Schools in Richardson, TX
Breckinridge Montessori School
Montessori school · Grades Pre-K–5
22 students
Richardson, TX
A-Overall grade22 students6 students per teacher
#9 Largest Private Schools in Richardson, TX
Primrose School of Breckinridge Park
Montessori school · Grades Pre-K–K
21 students
Richardson, TX
B+Overall grade21 students7 students per teacher
From official public records, updated October 2026.