#1 Best Private Middle Schools in San Luis Obispo County, CA
Old Mission School
Parish school · Grades K–8
Smaller classes than 70% of Catholic schools in California
San Luis Obispo, CA
A+Overall grade294 students14 students per teacher
2026 lists
Best Private Middle Schools in San Luis Obispo County, CA
Private schools in San Luis Obispo County, CA with middle-school grades and the highest overall grades. Top 8 of 8 schools.
#2 Best Private Middle Schools in San Luis Obispo County, CA
North County Christian School
Christian school (nondenominational) · Grades Pre-K–8
Smaller classes than 66% of Christian schools in California
Atascadero, CA
AOverall grade106 students10 students per teacher
#3 Best Private Middle Schools in San Luis Obispo County, CA
St. Patricks Catholic School
Parish school · Grades Pre-K–8
The only Catholic school in Arroyo Grande
Arroyo Grande, CA
B+Overall grade247 students20 students per teacher
#4 Best Private Middle Schools in San Luis Obispo County, CA
St. Rose Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Paso Robles
Paso Robles, CA
BOverall grade220 students18 students per teacher
#5 Best Private Middle Schools in San Luis Obispo County, CA
Wishing Well School
Independent school · Grades Pre-K–8
An independent school in Los Osos
Los Osos, CA
BOverall grade128 students9 students per teacher
#6 Best Private Middle Schools in San Luis Obispo County, CA
San Luis Obispo Classical Academy
Independent school · Grades Pre-K–12
The only independent school in San Luis Obispo
San Luis Obispo, CA
BOverall grade337 students16 students per teacher
#7 Best Private Middle Schools in San Luis Obispo County, CA
Coastal Christian School
Christian school (nondenominational) · Grades K–12
Growing: enrollment up 107% since 2011–12
Pismo Beach, CA
B-Overall grade409 students15 students per teacher
#8 Best Private Middle Schools in San Luis Obispo County, CA
Trinity Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
The only Christian school in Paso Robles
Paso Robles, CA
B-Overall grade170 students16 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.