#1 Best Private Schools in the Diocese of Wilmington
Padua Academy
Diocesan school · Grades 9–12
100% of graduates go to four-year colleges
Wilmington, DE
A+Overall gradeAll girls424 students11 students per teacher
2026 lists
Best Private Schools in the Diocese of Wilmington
Private schools in the Diocese of Wilmington with the highest overall grades. Top 19 of 19 schools.
#2 Best Private Schools in the Diocese of Wilmington
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
#3 Best Private Schools in the Diocese of Wilmington
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
#4 Best Private Schools in the Diocese of Wilmington
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
#5 Best Private Schools in the Diocese of Wilmington
Good Shepherd Catholic School
Parish school · Grades Pre-K–8
Smaller classes than 69% of Catholic schools in Maryland
Perryville, MD
A+Overall grade80 students10 students per teacher
#6 Best Private Schools in the Diocese of Wilmington
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
#7 Best Private Schools in the Diocese of Wilmington
Mount Aviat Academy
Independent Catholic school · Grades Pre-K–8
Serving families in Childs since at least 2011
Childs, MD
A-Overall grade199 students12 students per teacher
#8 Best Private Schools in the Diocese of Wilmington
Holy Cross School
Diocesan school · Grades Pre-K–8
The only Catholic school in Dover
Dover, DE
B+Overall grade331 students15 students per teacher
#9 Best Private Schools in the Diocese of Wilmington
Aquinas Academy
Independent Catholic school · Grades K–12
The only Catholic school in Bear
Bear, DE
B+Overall grade75 students9 students per teacher
#10 Best Private Schools in the Diocese of Wilmington
Saints Peter & Paul Elementary School
Parish school · Grades Pre-K–8
The only Catholic school in Easton
Easton, MD
B+Overall grade363 students14 students per teacher
#11 Best Private Schools in the Diocese of Wilmington
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
#12 Best Private Schools in the Diocese of Wilmington
Most Blessed Sacrament Catholic School
Diocesan school · Grades Pre-K–8
A Catholic school in Berlin
Berlin, MD
BOverall grade223 students14 students per teacher
#13 Best Private Schools in the Diocese of Wilmington
St. Mark's High School
Diocesan school · Grades 9–12
The largest of 15 Catholic schools in Delaware
Wilmington, DE
BOverall grade829 students17 students per teacher
#14 Best Private Schools in the Diocese of Wilmington
St. Elizabeth School
Diocesan school · Grades Pre-K–12
One of the most diverse private schools in Delaware
Wilmington, DE
BOverall grade364 students12 students per teacher
#15 Best Private Schools in the Diocese of Wilmington
St. Ann School
Parish school · Grades Pre-K–8
Serving families in Wilmington since at least 2011
Wilmington, DE
BOverall grade200 students16 students per teacher
#16 Best Private Schools in the Diocese of Wilmington
Immaculate Heart of Mary
Diocesan school · Grades Pre-K–8
Serving families in Wilmington since at least 2011
Wilmington, DE
B-Overall grade406 students16 students per teacher
#17 Best Private Schools in the Diocese of Wilmington
Christ the Teacher Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Newark
Newark, DE
B-Overall grade524 students23 students per teacher
#18 Best Private Schools in the Diocese of Wilmington
St. John the Beloved School
Parish school · Grades Pre-K–8
Serving families in Wilmington since at least 2011
Wilmington, DE
B-Overall grade459 students18 students per teacher
#19 Best Private Schools in the Diocese of Wilmington
St. Francis De Sales Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Salisbury
Salisbury, MD
B-Overall grade204 students17 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.