Napa County Private High Schools

For the 2026-27 school year, there are 10 private high schools serving 2,977 students in Napa County, CA.
The average acceptance rate is 98%, which is higher than the California private high school average acceptance rate of 81%.
90% of private high schools in Napa County, CA are religiously affiliated (most commonly Baptist and Catholic).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Napa County Private High Schools (2026-27)

Justin-Siena High School Photo
Gr: 9-12 | 660 students
Avg. class size: 24 students
Sports: 16 | Extracurriculars: 11
Catholic
4026 Maher St
Napa, CA 94558
(707) 255-0950
(1)
Kolbe Academy Photo
Gr: PK-12 | 1,597 students
Alternative School (Catholic)
1600 F Street
Napa, CA 94559
(707) 255-6499
Napa Christian Campus Of Education Photo
Gr: K-12 | 148 students
Avg. class size: 20 students
Sports: 3 | Extracurriculars: 2
Seventh Day Adventist
2201 Pine St
Napa, CA 94559
(707) 255-5233
Map of Calvary Baptist Christian Academy
Gr: K-11 | 56 students
Baptist
117 Theresa Ave
American Canyon, CA 94503
(707) 642-1143
Map of Calvary Christian Academy
Gr: PK-9 | 10 students
Christian
2645 Laurel Street
Napa, CA 94558
(707) 252-2191
Map of Grace Academy Of Napa Valley
Gr: K-12 | 34 students
Baptist
3765 Solano Ave
Napa, CA 94558
(707) 255-4033
Map of Hopewell Baptist Christian Academy
Gr: K-12 | 38 students
Sports: 2
Baptist
3755 Linda Vista Ave
Napa, CA 94558
(707) 252-0322
Map of Kolbe Academy & Trinity Prep
Gr: K-12 | 162 students
Catholic
2055 Redwood Rd.
Napa, CA 94558
(707) 258-9030
Map of New Life Academy
Gr: 8-12 | 6 students
Pentecostal
2625 1st St
Napa, CA 94558
(707) 255-1062
St. Helena Montessori School And Farm Photo
Gr: PK-12 | 266 students
Avg. class size: 20 students
Sports: 4 | Extracurriculars: 3
Montessori School
880 College Avenue
Saint Helena, CA 94574
(707) 963-1527
[+] Show Closed Private Schools in Napa County, California

Napa County Private High Schools (Closed)

Map of Aldea School
Gr: 7-12 | 10 students
Special Education School
4002 Jefferson St
Napa, CA 94558
(707) 224-5510
Map of Harvest Christian Academy
Gr: 1-12 | 123 students
Christian
2800 Jefferson St. Suite 7
Napa, CA 94558
(707) 889-0190
The Oxbow School Photo
Gr: 10-12 | 45 students
Avg. class size: 15 students
Specialized Curriculum
530 3rd Street
Napa, CA 94559
(707) 255-6000
(4)
Map of St. John The Baptist Catholic School
Gr: K-8 | 130 students
Catholic
983 Napa St
Napa, CA 94559
(707) 224-8388

Overview

Category
This State (CA)
US
# Schools
10 Schools

Showing 2016–2025. Full 11-year historical data available below ↓

# Students
2,977 Students
272,580 Students

Showing 2016–2025. Full 11-year historical data available below ↓

% Average Students of Color
25%
50%

Showing 2016–2025. Full 11-year historical data available below ↓

Academics and Faculty:

# Teachers
151 Teachers
26,989 Teachers
Average Student-Teacher Ratio
20:1
10:1

Showing 2016–2025. Full 11-year historical data available below ↓

% Average Faculty w/Advanced Degree
42%
62%
Average Class Size
21 students
15 students
Average Number of AP Courses
21 courses
16 courses
Average SAT score
1170
(Out of 1600)
1267
Average ACT score
28
(Out of 36)
28

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$11,471
$23,667
Average % on Financial Aid
38%
33%
Average Financial Aid Grant
$12,250
$13,630
Average Acceptance Rate
98%
81%

Students by Ethnicity:

0.42
0.73

Showing 2016–2025. Full 11-year historical data available below ↓

# American Indian Students
16 Students
1,839 Students
% American Indian Students
1%
1%
# Asian Students
125 Students
35,013 Students
% Asian Students
4%
13%

Showing 2016–2025. Full 11-year historical data available below ↓

# Hispanic Students
332 Students
43,254 Students
% Hispanic Students
10%
16%

Showing 2016–2025. Full 11-year historical data available below ↓

# Black Students
92 Students
15,794 Students
% Black Students
3%
6%

Showing 2016–2025. Full 11-year historical data available below ↓

# White Students
2,393 Students
115,557 Students
% White Students
75%
44%

Showing 2016–2025. Full 11-year historical data available below ↓

# Hawaiian Students
28 Students
2,937 Students
% Hawaiian Students
1%
1%
# Others Students
187 Students
49,127 Students
% of Others Students
6%
19%

Showing 2016–2025. Full 11-year historical data available below ↓

All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
5 extracurriculars
14 extracurriculars
Average Number of Sports
6 sports
10 sports

Frequently Asked Questions

What are the top ranked private high schools in Napa County, CA?
The top ranked private high schools in Napa County, CA include Napa Christian Campus Of Education, Kolbe Academy, and Justin-Siena High School.
How many private high schools are located in Napa County?
10 private high schools are located in Napa County.
How diverse are private high schools in Napa County?
Napa County private high schools are approximately 25% minority students, which is lower than the California private school average of 50%.
What percentage of private high schools are religiously affiliated in Napa County?
90% of private high schools in Napa County are religiously affiliated (most commonly Baptist and Catholic).
Which private high schools in Napa County are often viewed compared to one another?

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