#1 Private Schools with the Smallest Classes in Napa, CA
Sunrise Montessori of Napa Valley
Montessori school · Grades Pre-K–5
2.8 students per teacher
Napa, CA
AOverall grade42 students3 students per teacher
2026 lists
Private Schools with the Smallest Classes in Napa, CA
Private schools in Napa, CA with the fewest students per teacher (not counting preschools and special education schools). Top 6 of 6 schools.
#2 Private Schools with the Smallest Classes in Napa, CA
Blue Oak School
Alternative school · Grades Pre-K–8
8.1 students per teacher
Napa, CA
AOverall grade186 students8 students per teacher
#3 Private Schools with the Smallest Classes in Napa, CA
Veritas Christian Academy
Christian school (nondenominational) · Grades Pre-K–8
9.6 students per teacher
Napa, CA
A+Overall grade124 students10 students per teacher
#4 Private Schools with the Smallest Classes in Napa, CA
Justin-Siena
Independent Catholic school · Grades 9–12
14.1 students per teacher
Napa, CA
A+Overall grade654 students14 students per teacher
#5 Private Schools with the Smallest Classes in Napa, CA
St. John's Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
15 students per teacher
Napa, CA
BOverall grade227 students15 students per teacher
#6 Private Schools with the Smallest Classes in Napa, CA
St. Apollinaris School
Diocesan school · Grades Pre-K–8
20.9 students per teacher
Napa, CA
BOverall grade332 students21 students per teacher
From official public records, updated October 2026.