#1 Best Private Middle Schools in San Diego County, CA
The Bishop's School
Episcopal school · Grades 6–12
The only Christian school in La Jolla
La Jolla, CA
A+Overall grade800 students7 students per teacher
2026 lists
Best Private Middle Schools in San Diego County, CA
Private schools in San Diego County, CA with middle-school grades and the highest overall grades. Top 50 of 75 schools.
#2 Best Private Middle Schools in San Diego County, CA
Stella Maris Academy
Parish school · Grades K–8
Smaller classes than 93% of Catholic schools in California
La Jolla, CA
A+Overall grade173 students10 students per teacher
#3 Best Private Middle Schools in San Diego County, CA
St. Therese Academy
Diocesan school · Grades K–8
Smaller classes than 98% of Catholic schools in California
San Diego, CA
A+Overall grade302 students8 students per teacher
#4 Best Private Middle Schools in San Diego County, CA
St. Didacus School
Parish school · Grades Pre-K–8
Smaller classes than 80% of Catholic schools in California
San Diego, CA
A+Overall grade145 students12 students per teacher
#5 Best Private Middle Schools in San Diego County, CA
The Nativity School
Parish school · Grades Pre-K–8
The only Catholic school in Rancho Santa Fe
Rancho Santa Fe, CA
A+Overall grade178 students10 students per teacher
#6 Best Private Middle Schools in San Diego County, CA
All Hallows Academy
Parish school · Grades K–8
Smaller classes than 80% of Catholic schools in California
La Jolla, CA
A+Overall grade184 students12 students per teacher
#7 Best Private Middle Schools in San Diego County, CA
St. Patrick School
Diocesan school · Grades Pre-K–8
Smaller classes than 70% of Catholic schools in California
San Diego, CA
A+Overall grade166 students14 students per teacher
#8 Best Private Middle Schools in San Diego County, CA
St. Mary School
Diocesan school · Grades K–8
The only Catholic school in Escondido
Escondido, CA
A+Overall grade139 students13 students per teacher
#9 Best Private Middle Schools in San Diego County, CA
St. Rita's School
Parish school · Grades Pre-K–8
Smaller classes than 68% of Catholic schools in California
San Diego, CA
A+Overall grade168 students14 students per teacher
#10 Best Private Middle Schools in San Diego County, CA
Notre Dame Academy
Diocesan school · Grades Pre-K–8
Smaller classes than 79% of Catholic schools in California
San Diego, CA
A+Overall grade221 students12 students per teacher
#11 Best Private Middle Schools in San Diego County, CA
St. Pius X School
Parish school · Grades Pre-K–8
The smallest classes of any Catholic school in Chula Vista
Chula Vista, CA
A+Overall grade250 students14 students per teacher
#12 Best Private Middle Schools in San Diego County, CA
St. Francis of Assisi Catholic School
Parish school · Grades Pre-K–8
The only Catholic school in Vista
Vista, CA
A+Overall grade199 students15 students per teacher
#13 Best Private Middle Schools in San Diego County, CA
St. Kieran Catholic School
Parish school · Grades Pre-K–8
Smaller classes than 74% of Catholic schools in California
El Cajon, CA
A+Overall grade127 students13 students per teacher
#14 Best Private Middle Schools in San Diego County, CA
Holy Trinity Elementary School
Diocesan school · Grades K–8
The smallest classes of any Catholic school in El Cajon
El Cajon, CA
A+Overall grade141 students12 students per teacher
#15 Best Private Middle Schools in San Diego County, CA
The Rock Academy
Christian school (nondenominational) · Grades Pre-K–12
90% of graduates go to four-year colleges
San Diego, CA
A+Overall grade466 students11 students per teacher
#16 Best Private Middle Schools in San Diego County, CA
St. Vincent De Paul Elementary School
Parish school · Grades Pre-K–8
Smaller classes than 61% of Catholic schools in California
San Diego, CA
A+Overall grade217 students15 students per teacher
#17 Best Private Middle Schools in San Diego County, CA
Pacific Academy
Independent school · Grades K–12
100% of graduates go to four-year colleges
Encinitas, CA
A+Overall grade113 students8 students per teacher
#18 Best Private Middle Schools in San Diego County, CA
St. Martin of Tours Academy
Diocesan school · Grades Pre-K–8
The only Catholic school in La Mesa
La Mesa, CA
A+Overall grade194 students16 students per teacher
#19 Best Private Middle Schools in San Diego County, CA
Horizon Prep
Christian school (nondenominational) · Grades Pre-K–12
The only Christian school in Rancho Santa Fe
Rancho Santa Fe, CA
A+Overall grade308 students8 students per teacher
#20 Best Private Middle Schools in San Diego County, CA
North County Christian School
Christian school (nondenominational) · Grades 1–12
Smaller classes than 97% of Christian schools in California
Bonsall, CA
A+Overall grade129 students2 students per teacher
#21 Best Private Middle Schools in San Diego County, CA
Reformation Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Smaller classes than 74% of Christian schools in California
San Diego, CA
A+Overall grade67 students9 students per teacher
#22 Best Private Middle Schools in San Diego County, CA
Escondido Adventist Academy
Seventh-day Adventist school · Grades K–12
90% of graduates go to four-year colleges
Escondido, CA
A+Overall grade143 students11 students per teacher
#23 Best Private Middle Schools in San Diego County, CA
Good Shepherd Catholic School
Parish school · Grades Pre-K–8
Serving families in San Diego since at least 2011
San Diego, CA
A+Overall grade229 students17 students per teacher
#24 Best Private Middle Schools in San Diego County, CA
Vista Christian School
Assembly of God school · Grades K–8
Growing: enrollment up 22% since 2011–12
Vista, CA
A+Overall grade210 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.