#1 Best Private High Schools in Oklahoma
Mercy School Institute
Islamic school · Grades Pre-K–12
100% of graduates go to four-year colleges
Edmond, OK
A+Overall grade393 students11 students per teacher
2026 lists
Best Private High Schools in Oklahoma
Private high schools in Oklahoma with the highest overall grades. Top 27 of 27 schools.
#2 Best Private High Schools in Oklahoma
Mount Saint Mary Catholic High School
Diocesan school · Grades 9–12
The smallest classes of any Catholic school in Oklahoma City
Oklahoma City, OK
A+Overall grade389 students9 students per teacher
#3 Best Private High Schools in Oklahoma
Casady School
Episcopal school · Grades Pre-K–12
100% of graduates go to four-year colleges
Oklahoma City, OK
A+Overall grade922 students8 students per teacher
#4 Best Private High Schools in Oklahoma
Cascia Hall Preparatory School
Independent Catholic school · Grades 6–12
100% of graduates go to four-year colleges
Tulsa, OK
A+Overall grade544 students10 students per teacher
#5 Best Private High Schools in Oklahoma
Heritage Hall
Independent school · Grades Pre-K–12
The largest of 15 independent schools in Oklahoma
Oklahoma City, OK
A+Overall grade870 students8 students per teacher
#6 Best Private High Schools in Oklahoma
Eagle Point Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
One of the most diverse private schools in Oklahoma
Sapulpa, OK
A+Overall grade181 students7 students per teacher
#7 Best Private High Schools in Oklahoma
Bishop McGuinness Catholic High School
Diocesan school · Grades 9–12
One of the 3 largest Catholic schools in Oklahoma
Oklahoma City, OK
A+Overall grade751 students13 students per teacher
#8 Best Private High Schools in Oklahoma
Oklahoma Bible Academy
Baptist school · Grades 6–12
The largest Christian school in Enid
Enid, OK
AOverall grade190 students8 students per teacher
#9 Best Private High Schools in Oklahoma
Riverfield Country Day School
Independent school · Grades Pre-K–12
One of the 3 largest independent schools in Oklahoma
Tulsa, OK
AOverall grade422 students8 students per teacher
#10 Best Private High Schools in Oklahoma
Wright Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
92% of graduates go to four-year colleges
Tulsa, OK
AOverall grade209 students10 students per teacher
#11 Best Private High Schools in Oklahoma
Life Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
90% of graduates go to four-year colleges
Nicoma Park, OK
B+Overall grade130 students8 students per teacher
#12 Best Private High Schools in Oklahoma
Lincoln Christian School
Christian school (nondenominational) · Grades Pre-K–12
96% of graduates go to four-year colleges
Tulsa, OK
B+Overall grade937 students11 students per teacher
#13 Best Private High Schools in Oklahoma
Crossings Christian School
Christian school (nondenominational) · Grades Pre-K–12
One of the 3 largest Christian schools in Oklahoma
Oklahoma City, OK
B+Overall grade1,050 students12 students per teacher
#14 Best Private High Schools in Oklahoma
Bishop Kelley High School
Diocesan school · Grades 9–12
The largest of 29 Catholic schools in Oklahoma
Tulsa, OK
B+Overall grade892 students14 students per teacher
#15 Best Private High Schools in Oklahoma
Lakewood Christian School
Christian school (nondenominational) · Grades K–12
Small classes: about 8 students per teacher
McAlester, OK
BOverall grade148 students8 students per teacher
#16 Best Private High Schools in Oklahoma
Metro Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
One of the 3 largest Christian schools in Oklahoma
Tulsa, OK
BOverall grade1,040 students12 students per teacher
#17 Best Private High Schools in Oklahoma
Oklahoma Christian Academy
Church of Christ school · Grades Pre-K–12
90% of graduates go to four-year colleges
Edmond, OK
BOverall grade547 students9 students per teacher
#18 Best Private High Schools in Oklahoma
Corn Bible Academy
Mennonite school · Grades 1–12
One of 2 Christian schools in Clinton
Clinton, OK
BOverall grade81 students8 students per teacher
#19 Best Private High Schools in Oklahoma
Cristo Rey Oklahoma City Catholic High School
Independent Catholic school · Grades 9–12
One of 7 Catholic schools in Oklahoma City
Oklahoma City, OK
BOverall grade198 students12 students per teacher
#20 Best Private High Schools in Oklahoma
Oklahoma Christian School
Christian school (nondenominational) · Grades Pre-K–12
The largest of 72 Christian schools in Oklahoma
Edmond, OK
BOverall grade1,111 students13 students per teacher
#21 Best Private High Schools in Oklahoma
Wesleyan Christian School
Christian school (nondenominational) · Grades Pre-K–12
Growing: enrollment up 24% since 2011–12
Bartlesville, OK
BOverall grade305 students12 students per teacher
#22 Best Private High Schools in Oklahoma
Summit Christian Academy
Assembly of God school · Grades Pre-K–12
The largest Christian school in Broken Arrow
Broken Arrow, OK
BOverall grade638 students13 students per teacher
#23 Best Private High Schools in Oklahoma
The Acad of Classical CHRN Studies
Christian school (nondenominational) · Grades Pre-K–12
100% of graduates go to four-year colleges
Oklahoma City, OK
BOverall grade862 students16 students per teacher
#24 Best Private High Schools in Oklahoma
The Academy of Classical Christian Studies
Christian school (nondenominational) · Grades Pre-K–12
94% of graduates go to four-year colleges
Oklahoma City, OK
B-Overall grade859 students13 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.