#1 Best Private Middle Schools in Los Altos, CA
St. Simon Parish School
Diocesan school · Grades Pre-K–8
The only Catholic school in Los Altos
Los Altos, CA
A+Overall grade477 students16 students per teacher
2026 lists
Best Private Middle Schools in Los Altos, CA
Private schools in Los Altos, CA with middle-school grades and the highest overall grades. Top 5 of 5 schools.
#2 Best Private Middle Schools in Los Altos, CA
Miramonte Christian School
Seventh-day Adventist school · Grades 1–8
Serving families in Los Altos since at least 2011
Los Altos, CA
AOverall grade84 students14 students per teacher
#3 Best Private Middle Schools in Los Altos, CA
Pinewood Private of Los Altos
Independent school · Grades K–12
The smallest classes of any independent school in Los Altos
Los Altos, CA
A-Overall grade598 students7 students per teacher
#4 Best Private Middle Schools in Los Altos, CA
Waldorf School-Peninsula
Independent school · Grades Pre-K–12
92% of graduates go to four-year colleges
Los Altos, CA
BOverall grade249 students16 students per teacher
#5 Best Private Middle Schools in Los Altos, CA
Waldorf School of the Peninsula
Montessori school · Grades Pre-K–12
The only Montessori school in Los Altos
Los Altos, CA
B-Overall grade252 students25 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.