#1 Best Private Middle Schools in Napa County, CA
St. Helena Montessori School and Farm
Independent Catholic school · Grades Pre-K–12
The only Catholic school in Saint Helena
Saint Helena, CA
A+Overall grade198 students7 students per teacher
2026 lists
Best Private Middle Schools in Napa County, CA
Private schools in Napa County, CA with middle-school grades and the highest overall grades. Top 7 of 7 schools.
#2 Best Private Middle Schools in Napa County, CA
Veritas Christian Academy
Christian school (nondenominational) · Grades Pre-K–8
Smaller classes than 66% of Christian schools in California
Napa, CA
A+Overall grade124 students10 students per teacher
#3 Best Private Middle Schools in Napa County, CA
Pacific Union College Elementary School
Seventh-day Adventist school · Grades K–8
Serving families in Angwin since at least 2011
Angwin, CA
AOverall grade71 students12 students per teacher
#4 Best Private Middle Schools in Napa County, CA
Calvary Baptist Christian Academy
Baptist school · Grades Pre-K–11
Serving families in American Canyon since at least 2011
American Canyon, CA
AOverall grade63 students
#5 Best Private Middle Schools in Napa County, CA
Blue Oak School
Alternative school · Grades Pre-K–8
Serving families in Napa since at least 2011
Napa, CA
AOverall grade186 students8 students per teacher
#6 Best Private Middle Schools in Napa County, CA
St. Apollinaris School
Diocesan school · Grades Pre-K–8
Growing: enrollment up 25% since 2011–12
Napa, CA
BOverall grade332 students21 students per teacher
#7 Best Private Middle Schools in Napa County, CA
St. John's Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Serving families in Napa since at least 2011
Napa, CA
BOverall grade227 students15 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.