#1 Best Private Middle Schools in Delaware
The Tatnall School
Independent school · Grades Pre-K–12
One of the 3 largest independent schools in Delaware
Wilmington, DE
A+Overall grade457 students6 students per teacher
2026 lists
Best Private Middle Schools in Delaware
Private schools in Delaware with middle-school grades and the highest overall grades. Top 31 of 31 schools.
#2 Best Private Middle Schools in Delaware
St. Annes Episcopal School
Episcopal school · Grades Pre-K–8
One of the most diverse private schools in Delaware
Middletown, DE
A+Overall grade256 students7 students per teacher
#3 Best Private Middle Schools in Delaware
Ursuline Academy, Lower
Independent Catholic school · Grades 3–8
Smaller classes than 73% of Catholic schools in Delaware
Wilmington, DE
A+Overall grade456 students8 students per teacher
#4 Best Private Middle Schools in Delaware
St. Edmond's Academy
Independent Catholic school · Grades Pre-K–8
Smaller classes than 64% of Catholic schools in Delaware
Wilmington, DE
A+Overall gradeAll boys158 students9 students per teacher
#5 Best Private Middle Schools in Delaware
St. Anthony of Padua Grade School
Diocesan school · Grades Pre-K–8
One of the most diverse private schools in Delaware
Wilmington, DE
A+Overall grade161 students9 students per teacher
#6 Best Private Middle Schools in Delaware
Harvest Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
One of the most diverse private schools in Delaware
New Castle, DE
A+Overall grade94 students8 students per teacher
#7 Best Private Middle Schools in Delaware
St. Peter Cathedral School
Parish school · Grades Pre-K–8
The smallest classes of any Catholic school in Wilmington
Wilmington, DE
A+Overall grade65 students6 students per teacher
#8 Best Private Middle Schools in Delaware
Calvary Christian Academy
Assembly of God school · Grades Pre-K–12
One of the 3 largest Christian schools in Delaware
Dover, DE
A+Overall grade330 students8 students per teacher
#9 Best Private Middle Schools in Delaware
Islamic Academy of Delaware
Islamic school · Grades Pre-K–8
The largest of 13 private schools in Delaware
Newark, DE
A+Overall grade124 students5 students per teacher
#10 Best Private Middle Schools in Delaware
The Independence School
Independent school · Grades Pre-K–8
One of the 3 largest independent schools in Delaware
Newark, DE
AOverall grade384 students8 students per teacher
#11 Best Private Middle Schools in Delaware
Centerville Layton School
Independent school · Grades K–12
Smaller classes than 91% of independent schools nationwide
Wilmington, DE
AOverall grade88 students3 students per teacher
#12 Best Private Middle Schools in Delaware
Newark Center for Creative Learning
Alternative school · Grades K–8
Smaller classes than 61% of independent schools nationwide
Newark, DE
AOverall grade73 students7 students per teacher
#13 Best Private Middle Schools in Delaware
Urban Promise School
Christian school (nondenominational) · Grades Pre-K–12
Smaller classes than 69% of Christian schools in Delaware
Wilmington, DE
AOverall grade85 students6 students per teacher
#14 Best Private Middle Schools in Delaware
Red Lion Christian Academy
Christian school (nondenominational) · Grades K–12
The largest of 25 Christian schools in Delaware
Bear, DE
AOverall grade695 students10 students per teacher
#15 Best Private Middle Schools in Delaware
Holy Cross School
Diocesan school · Grades Pre-K–8
The only Catholic school in Dover
Dover, DE
B+Overall grade331 students15 students per teacher
#16 Best Private Middle Schools in Delaware
Aquinas Academy
Independent Catholic school · Grades K–12
The only Catholic school in Bear
Bear, DE
B+Overall grade75 students9 students per teacher
#17 Best Private Middle Schools in Delaware
Fairwinds Christian School
Baptist school · Grades Pre-K–12
One of the most diverse private schools in Delaware
Bear, DE
B+Overall grade173 students12 students per teacher
#18 Best Private Middle Schools in Delaware
Concord Christian Academy
Baptist school · Grades Pre-K–12
The largest Christian school in Wilmington
Wilmington, DE
B+Overall grade136 students9 students per teacher
#19 Best Private Middle Schools in Delaware
Caravel Academy
Independent school · Grades Pre-K–12
The only independent school in Bear
Bear, DE
B+Overall grade1,120 students10 students per teacher
#20 Best Private Middle Schools in Delaware
Harvest Christian Academy New Castle
Christian school (nondenominational) · Grades Pre-K–12
One of the most diverse private schools in Delaware
New Castle, DE
B+Overall grade100 students9 students per teacher
#21 Best Private Middle Schools in Delaware
St. Mary Magdalen School
Parish school · Grades Pre-K–8
One of the 3 largest Catholic schools in Delaware
Wilmington, DE
B+Overall grade467 students13 students per teacher
#22 Best Private Middle Schools in Delaware
Milford Christian School
Baptist school · Grades Pre-K–11
Serving families in Milford since at least 2011
Milford, DE
B+Overall grade118 students10 students per teacher
#23 Best Private Middle Schools in Delaware
The Cross Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
The only Christian school in Seaford
Seaford, DE
BOverall grade120 students10 students per teacher
#24 Best Private Middle Schools in Delaware
Epworth Christian School
Christian school (nondenominational) · Grades Pre-K–8
Growing: enrollment up 46% since 2011–12
Laurel, DE
BOverall grade162 students12 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.