#1 Best Private Schools in the Diocese of Tulsa
Monte Cassino School
Independent Catholic school · Grades Pre-K–8
The smallest classes of any Catholic school in Tulsa
Tulsa, OK
A+Overall grade642 students8 students per teacher
2026 lists
Best Private Schools in the Diocese of Tulsa
Private schools in the Diocese of Tulsa with the highest overall grades. Top 11 of 11 schools.
#2 Best Private Schools in the Diocese of Tulsa
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
#3 Best Private Schools in the Diocese of Tulsa
St. Joseph Catholic School
Parish school · Grades Pre-K–8
The only Catholic school in Muskogee
Muskogee, OK
A+Overall grade69 students6 students per teacher
#4 Best Private Schools in the Diocese of Tulsa
St. John School
Diocesan school · Grades Pre-K–8
Smaller classes than 87% of Catholic schools in Oklahoma
Bartlesville, OK
A+Overall grade116 students8 students per teacher
#5 Best Private Schools in the Diocese of Tulsa
St. Catherine School
Parish school · Grades Pre-K–8
Smaller classes than 74% of Catholic schools in Oklahoma
Tulsa, OK
A+Overall grade126 students8 students per teacher
#6 Best Private Schools in the Diocese of Tulsa
St. Pius X School
Diocesan school · Grades Pre-K–8
Serving families in Tulsa since at least 2011
Tulsa, OK
AOverall grade323 students12 students per teacher
#7 Best Private Schools in the Diocese of Tulsa
San Miguel School of Tulsa
Independent Catholic school · Grades 6–8
Smaller classes than 70% of Catholic schools in Oklahoma
Tulsa, OK
A-Overall grade66 students8 students per teacher
#8 Best Private Schools in the Diocese of Tulsa
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
#9 Best Private Schools in the Diocese of Tulsa
School of St. Mary
Parish school · Grades Pre-K–8
Serving families in Tulsa since at least 2011
Tulsa, OK
BOverall grade253 students13 students per teacher
#10 Best Private Schools in the Diocese of Tulsa
Marquette Catholic School
Parish school · Grades Pre-K–8
Serving families in Tulsa since at least 2011
Tulsa, OK
B-Overall grade400 students16 students per teacher
#11 Best Private Schools in the Diocese of Tulsa
Sts. Peter & Paul Catholic School
Parish school · Grades Pre-K–8
One of 9 Catholic schools in Tulsa
Tulsa, OK
B-Overall grade158 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.