Private School Review - Established 2003
Discovery Isle Twin Oaks-San Marcos
Calvary Preparatory Academy-Online
Discovery Isle Child Development Center

San Marcos Private Schools

For the 2026-27 school year, there are 8 private schools serving 1,023 students in San Marcos, CA, 6% of all K-12 students in San Marcos, CA are educated in private schools versus public schools (compared to the CA state average of 10%).
The average acceptance rate is 90%, which is higher than the California private school average acceptance rate of 83%.
50% of private schools in San Marcos, CA are religiously affiliated (most commonly Christian and Catholic).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked San Marcos Private Schools (2026-27)

Calvary Preparatory Academy-Online Photo
Calvary Preparatory Academy-Online
Gr: 6-12 | 348 students
Avg. class size: 15 students
Extracurriculars: 12
Christian
1740 La Costa Meadows Dr. Suite 105
San Marcos, CA 92078
(760) 410-8283
(24)
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Discovery Isle Child Development Center Photo
Discovery Isle Child Development Center
Gr: PK-K | 61 students
Daycare / Preschool
1655 S Rancho Santa Fe Rd
San Marcos, CA 92078
(760) 752-8691
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Discovery Isle Twin Oaks-San Marcos Photo
Discovery Isle Twin Oaks-San Marcos
Gr: NS-PK
Daycare / Preschool
308 S Twin Oaks Valley Rd
San Marcos, CA 92078
(760) 882-8790
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Map of St. Joseph Academy
St. Joseph Academy
Gr: K-12 | 351 students
Catholic
500 Las Flores Dr
San Marcos, CA 92078
(760) 305-8505
(4)
View Profile
Map of Teri, Inc. The Country School
Teri, Inc. The Country School
Gr: 6-12 | 21 students
Avg. class size: 12 students
Special Education School
1145 Lin Da Vista Dr Ste 105
San Marcos, CA 92078
(760) 331-9116
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Map of Center for Children & Families at Cal State San Marcos
Center for Children & Families at Cal State San Marcos
Gr: NS-PK
Daycare / Preschool
453 La Moree Rd
San Marcos, CA 92078
(760) 750-8750
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Map of North County Christian School
North County Christian School
Gr: 1-12 | 82 students
Christian
979 Woodland Prkw Ste 101-59
San Marcos, CA 92069
(760) 737-7115
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Map of Valley Christian School
Valley Christian School
Gr: K-8 | 160 students
Avg. class size: 160 students
Sports: 3 | Extracurriculars: 1
1350 Discovery St
San Marcos, CA 92078
(760) 744-0207
(1)
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San Marcos, CA Private School Trends

8
Private Schools
1,023
Students
$16,975
Avg. Tuition
14
Avg. Class Size
41%
Students of Color
9:1
Student-Teacher Ratio
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (San Marcos)
This State (CA)
# Schools
8 Schools
3,907 Schools
# Students
1,023 Students
659,577 Students
% Students of Color
41%
52%
0.63
0.74
Show more data/charts: racial breakdown
# American Indian Students
7 Students
3,574 Students
% American Indian Students
1%
1%
# Asian Students
52 Students
71,777 Students
% Asian Students
8%
11%
# Hispanic Students
159 Students
104,405 Students
% Hispanic Students
23%
16%
# Black Students
20 Students
30,221 Students
% Black Students
3%
5%
# White Students
376 Students
235,730 Students
% White Students
55%
37%
# Hawaiian Students
7 Students
5,499 Students
% Hawaiian Students
1%
1%
# Others Students
62 Students
188,723 Students
% of Others Students
9%
29%
All Ethnic Groups
Academics
# Teachers
108 Teachers
55,835 Teachers
Average Student-Teacher Ratio
9:1
12:1
% Average Faculty w/Advanced Degree
25%
60%
Average Class Size
14 students
17 students
Average Number of AP Courses
5 courses
15 courses
Tuition & Aid
Average Yearly Tuition Cost
$16,975
$17,602
Average Summer Program Cost
$415
$1,072
Average % on Financial Aid
15%
29%
Admissions & Athletics
Average Acceptance Rate
90%
83%
Average Number of Extracurriculars
7 extracurriculars
9 extracurriculars
Average Number of Sports
3 sports
7 sports

Frequently Asked Questions

What are the top ranked private schools in San Marcos, CA?
The top ranked private schools in San Marcos, CA include Calvary Preparatory Academy-Online, St. Joseph Academy, and Teri, Inc. The Country School.
How many private schools are located in San Marcos?
8 private schools are located in San Marcos.
How diverse are private schools in San Marcos?
San Marcos private schools are approximately 41% minority students, which is lower than the California private school average of 52%.
What percentage of students in San Marcos go to private school?
6% of all K-12 students in San Marcos are educated in private schools (compared to the CA state average of 10%).
What percentage of private schools are religiously affiliated in San Marcos?
50% of private schools in San Marcos are religiously affiliated (most commonly Christian and Catholic).
Which private schools in San Marcos are often viewed compared to one another?
Popular comparisons of private schools in San Marcos include: North County Christian School vs. Calvary Preparatory Academy-Online

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