#1 Best Private Schools in Delaware County, OH
St. Mary School
Parish school · Grades Pre-K–8
Smaller classes than 98% of Catholic schools in Ohio
Delaware, OH
A+Overall grade122 students6 students per teacher
2026 lists
Best Private Schools in Delaware County, OH
Private schools in Delaware County, OH with the highest overall grades. Top 6 of 6 schools.
#2 Best Private Schools in Delaware County, OH
Tree of Life Christian Schools
Christian school (nondenominational) · Grades Pre-K–5
Smaller classes than 71% of Christian schools in Ohio
Lewis Center, OH
AOverall grade118 students9 students per teacher
#3 Best Private Schools in Delaware County, OH
All the Children of the World Academy
Early childhood program · Grades Pre-K–K
One of the 3 largest preschools in Ohio
Westerville, OH
B+Overall grade71 students18 students per teacher
#4 Best Private Schools in Delaware County, OH
St. Paul School
Diocesan school · Grades Pre-K–8
The only Catholic school in Westerville
Westerville, OH
BOverall grade781 students15 students per teacher
#5 Best Private Schools in Delaware County, OH
Genoa Christian Academy
Baptist school · Grades Pre-K–12
Growing: enrollment up 170% since 2011–12
Westerville, OH
B-Overall grade495 students14 students per teacher
#6 Best Private Schools in Delaware County, OH
Creme De La Creme
Early childhood program · Grades Pre-K–K
The largest of 77 preschools in Ohio
Westerville, OH
B-Overall grade200 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.