Justin-Siena High School Photo

Best Napa Private High Schools (2025-26)

For the 2025-26 school year, there are 8 private high schools serving 2,655 students in Napa, CA.
The top ranked private high schools in Napa, CA include Justin-Siena High School, Kolbe Academy, and Napa Christian Campus Of Education.
The average acceptance rate is 98%, which is higher than the California private high school average acceptance rate of 78%.
100% of private high schools in Napa, CA are religiously affiliated (most commonly Catholic and Baptist).

Top Ranked Napa Private High Schools (2025-26)

School
Location
Quick Facts
Justin-Siena High School
Justin-Siena High School Photo
(Catholic)
(1)
4026 Maher St
Napa, CA 94558
(707) 255-0950
Gr: 9-12 | 660 students Avg. class size: 24 students Sports: 16 | Extracurrculars: 11 Tuition listed
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
Napa Christian Campus Of Education
Napa Christian Campus Of Education Photo
(Seventh Day Adventist)
2201 Pine St
Napa, CA 94559
(707) 255-5233
Gr: K-12 | 148 students Avg. class size: 20 students Sports: 3 | Extracurrculars: 2 Tuition & acceptance rate listed
Calvary Christian Academy
(Christian)
2645 Laurel Street
Napa, CA 94558
(707) 252-2191
Gr: PK-9 | 10 students Avg. class size: 15 students Tuition listed
Grace Academy Of Napa Valley
(Baptist)
3765 Solano Ave
Napa, CA 94558
(707) 255-4033
Gr: K-12 | 34 students
Hopewell Baptist Christian Academy
(Baptist)
3755 Linda Vista Ave
Napa, CA 94558
(707) 252-0322
Gr: K-12 | 38 students Sports: 2 Tuition 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
New Life Academy
(Pentecostal)
2625 1st St
Napa, CA 94558
(707) 255-1062
Gr: 8-12 | 6 students
[+] Show Closed Private Schools in Napa, California

Napa, California Private Schools (Closed)

School
Location
Quick Facts
Aldea School (Closed 2015)
Special Education School
4002 Jefferson St
Napa, CA 94558
(707) 224-5510
Gr: 7-12 | 10 students
2800 Jefferson St. Suite 7
Napa, CA 94558
(707) 889-0190
Gr: 1-12 | 123 students Tuition listed
The Oxbow School (Closed 2024)
Special Program Emphasis
530 3rd Street
Napa, CA 94559
(707) 255-6000
Gr: 10-12 | 45 students Avg. class size: 15 students Tuition listed
983 Napa St
Napa, CA 94559
(707) 224-8388
Gr: K-8 | 130 students

Frequently Asked Questions

What are the top ranked private high schools in Napa, CA?
The top ranked private high schools in Napa, CA include Justin-Siena High School, Kolbe Academy, and Napa Christian Campus Of Education.
How many private high schools are located in Napa?
8 private high schools are located in Napa.
How diverse are private high schools in Napa?
Napa private high schools are approximately 26% minority students, which is lower than the California private school average of 48%.
What percentage of private high schools are religiously affiliated in Napa?
100% of private high schools in Napa are religiously affiliated (most commonly Catholic and Baptist).

Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.
A Guide to Day vs. Boarding School: Which Is Right for Your Family
A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.
The A to Z of Private Schools 2025
The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.