Private School Review - Established 2003
St. Monica Academy Photo - St. Monica Academy's high school student body is close-knit and happy.
St. Monica Academy

Best California Private Schools Belonging to National Association of Private Catholic and Independent Schools (NAPCIS) (2026)

For the 2026 school year, there are 4 private schools belonging to National Association of Private Catholic and Independent Schools (NAPCIS) serving 2,237 students in California. You can also find more schools membership associations in California.
The top-ranked private schools belonging to National Association of Private Catholic and Independent Schools (NAPCIS) in California include Kolbe Academy and Santa Clara Elementary School.
The average acceptance rate is 87%, which is higher than the California private school average acceptance rate of 81%.
100% of private schools belonging to National Association of Private Catholic and Independent Schools (NAPCIS) in California are religiously affiliated (most commonly Catholic).

Top-Ranked Private Schools Belonging to National Association of Private Catholic and Independent Schools (NAPCIS) in California (2026)

School
Location
Quick Facts
Kolbe Academy
Kolbe Academy Photo - Kole Academy is an authentically Catholic and customizable home education. Our programs allow parents to tailor your children's formation in the Catholic tradition, with a classical approach.
Alternative School (Catholic)
1600 F Street
Napa, CA 94559
(707) 255-6499
Gr: PK-12 | 1,597 student Tuition listed
Santa Clara Elementary School
(Catholic)
324 South E Street
Oxnard, CA 93030
(805) 483-6935
Gr: PK-8 | 225 students Avg. class size: 25 students Sports: 2 Tuition & acceptance rate listed
Kolbe Academy & Trinity Prep
(Catholic)
2055 Redwood Rd.
Napa, CA 94558
(707) 258-9030
Gr: K-12 | 162 students Avg. class size: 15 students Tuition listed
St. Monica Academy
St. Monica Academy Photo - The Cardinal Newman Society recently named St. Monica Academy to the Catholic High School Honor Roll as one of the Top 50 Catholic high schools in the nation. Only three California schools received this prestigious award.
(Catholic)
2361 Del Mar Rd.
Montrose, CA 91020
(818) 369-7310
Gr: 1-12 | 253 students Avg. class size: 20 students Sports: 8 | Extracurrculars: 9 Tuition & acceptance rate listed

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