#1 Largest Private Schools in Pima County, AZ
Salpointe Catholic High School
Independent Catholic school · Grades 9–12
1,305 students
Tucson, AZ
BOverall grade1,305 students14 students per teacher
2026 lists
Largest Private Schools in Pima County, AZ
The private schools in Pima County, AZ with the most students. Top 43 of 43 schools.
#2 Largest Private Schools in Pima County, AZ
Desert Christian Schools Pk12
Christian school (nondenominational) · Grades Pre-K–12
523 students
Tucson, AZ
B-Overall grade523 students18 students per teacher
#3 Largest Private Schools in Pima County, AZ
Desert Christian School
Christian school (nondenominational) · Grades Pre-K–12
503 students
Tucson, AZ
AOverall grade503 students11 students per teacher
#4 Largest Private Schools in Pima County, AZ
Casas Christian School
Christian school (nondenominational) · Grades K–8
408 students
Oro Valley, AZ
BOverall grade408 students17 students per teacher
#5 Largest Private Schools in Pima County, AZ
Pusch Ridge Christian Academy Upper School
Presbyterian school · Grades 9–12
396 students
Tucson, AZ
A-Overall grade396 students11 students per teacher
#6 Largest Private Schools in Pima County, AZ
St. John the Evangelist Catholic School
Diocesan school · Grades K–8
392 students
Tucson, AZ
BOverall grade392 students16 students per teacher
#7 Largest Private Schools in Pima County, AZ
The Gregory School
Independent school · Grades 5–12
367 students
Tucson, AZ
A+Overall grade367 students8 students per teacher
#8 Largest Private Schools in Pima County, AZ
St. Cyril Elementary School
Diocesan school · Grades K–8
359 students
Tucson, AZ
A+Overall grade359 students12 students per teacher
#9 Largest Private Schools in Pima County, AZ
Saints Peter & Paul School
Diocesan school · Grades K–8
344 students
Tucson, AZ
B-Overall grade344 students17 students per teacher
#10 Largest Private Schools in Pima County, AZ
St. Michael's Parish Day School
Episcopal school · Grades Pre-K–8
306 students
Tucson, AZ
A+Overall grade306 students9 students per teacher
#11 Largest Private Schools in Pima County, AZ
St. Elizabeth Ann Seton School
Parish school · Grades Pre-K–8
298 students
Tucson, AZ
A+Overall grade298 students11 students per teacher
#12 Largest Private Schools in Pima County, AZ
San Miguel High School
Independent Catholic school · Grades 9–12
293 students
Tucson, AZ
BOverall grade293 students11 students per teacher
#13 Largest Private Schools in Pima County, AZ
St. Augustine Catholic High School
Diocesan school · Grades 9–12
276 students
Tucson, AZ
A+Overall grade276 students12 students per teacher
#14 Largest Private Schools in Pima County, AZ
Calvery Chapel Christian School
Christian school (nondenominational) · Grades K–12
230 students
Tucson, AZ
B-Overall grade230 students18 students per teacher
#15 Largest Private Schools in Pima County, AZ
Calvary Chapel Christian School
Christian school (nondenominational) · Grades K–12
225 students
Tucson, AZ
B-Overall grade225 students17 students per teacher
#16 Largest Private Schools in Pima County, AZ
International School of Tucson
Independent school · Grades Pre-K–8
225 students
Tucson, AZ
A+Overall grade225 students5 students per teacher
#17 Largest Private Schools in Pima County, AZ
St. Ambrose School
Diocesan school · Grades Pre-K–8
218 students
Tucson, AZ
B-Overall grade218 students18 students per teacher
#18 Largest Private Schools in Pima County, AZ
Our Mother of Sorrows Catholic School
Parish school · Grades Pre-K–8
213 students
Tucson, AZ
AOverall grade213 students15 students per teacher
#19 Largest Private Schools in Pima County, AZ
Tucson Waldorf School
Independent school · Grades Pre-K–8
167 students
Tucson, AZ
AOverall grade167 students10 students per teacher
#20 Largest Private Schools in Pima County, AZ
Santa Cruz Catholic School
Diocesan school · Grades K–8
152 students
Tucson, AZ
B+Overall grade152 students17 students per teacher
#21 Largest Private Schools in Pima County, AZ
Tucson Baptist Academy
Baptist school · Grades K–12
148 students
Tucson, AZ
A+Overall grade148 students10 students per teacher
#22 Largest Private Schools in Pima County, AZ
Immaculate Heart Academy
Independent Catholic school · Grades Pre-K–8
136 students
Oro Valley, AZ
A+Overall grade136 students13 students per teacher
#23 Largest Private Schools in Pima County, AZ
Redeemer Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
135 students
Tucson, AZ
BOverall grade135 students21 students per teacher
#24 Largest Private Schools in Pima County, AZ
Acclerated Elementary and Secondary / Green Fields
Independent school · Grades Pre-K–12
117 students
Tucson, AZ
BOverall grade117 students12 students per teacher
From official public records, updated October 2026.