#1 Best Private High Schools in Montgomery County, OH
The Miami Valley School
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
Dayton, OH
A+Overall grade428 students7 students per teacher
2026 lists
Best Private High Schools in Montgomery County, OH
Private high schools in Montgomery County, OH with the highest overall grades. Top 6 of 6 schools.
#2 Best Private High Schools in Montgomery County, OH
Chaminade Julienne High School
Diocesan school · Grades 9–12
Serving families in Dayton since at least 2011
Dayton, OH
A+Overall grade702 students12 students per teacher
#3 Best Private High Schools in Montgomery County, OH
East Dayton Christian School
Christian school (nondenominational) · Grades K–12
Serving families in Dayton since at least 2011
Dayton, OH
B+Overall grade373 students13 students per teacher
#4 Best Private High Schools in Montgomery County, OH
Spring Valley Academy
Seventh-day Adventist school · Grades Pre-K–12
The only Christian school in Centerville
Centerville, OH
BOverall grade519 students16 students per teacher
#5 Best Private High Schools in Montgomery County, OH
Carroll High School
Diocesan school · Grades 9–12
The largest Catholic school in Dayton
Dayton, OH
BOverall grade703 students13 students per teacher
#6 Best Private High Schools in Montgomery County, OH
Dayton Christian School
Christian school (nondenominational) · Grades Pre-K–12
The only Christian school in Miamisburg
Miamisburg, OH
BOverall grade832 students10 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.