²ÝÁñÉçÇø

²ÝÁñÉçÇø School Review - Established 2003
Calvary Preparatory Academy-Online
Discovery Isle Twin Oaks-San Marcos
Discovery Isle Child Development Center

San Marcos ²ÝÁñÉçÇø Schools (2026-27)

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 (compared to the CA state average of 10%).
The average acceptance rate is 58%, which is lower than the California private school average acceptance rate of 80%.
50% of private schools in San Marcos, CA are religiously affiliated (most commonly Christian and Catholic).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked San Marcos ²ÝÁñÉçÇø 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)
View Profile
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
View Profile
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
View Profile
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
View Profile
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
View Profile
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
View Profile
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)
View Profile

San Marcos, CA ²ÝÁñÉçÇø School Trends (10-Year)

8
²ÝÁñÉçÇø Schools
+33.3% (+2 schools) 10-yr
1,023
Students
+63.2% (+396 students) 10-yr
$16,975
Avg. Tuition
+304.2% (+$12,775) 8-yr
14
Avg. Class Size
-6.7% (-1 student) 8-yr
41%
Students of Color
+41.4% (+12.0 pp) 10-yr
9:1
Student-Teacher Ratio
-43.8% (-7.0) 10-yr
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
3,910 Schools

Trends in Total Number of ²ÝÁñÉçÇø Schools

YearSan Marcos, CA Total Schools
20257
20247
20237
20227
20218
20208
20199
20189
20177
20166
20156
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# Students
1,023 Students
659,293 Students

Trends in the Average Number of Students Per ²ÝÁñÉçÇø School

YearSan Marcos, CA AvgCalifornia (CA)National
2025171180179
2024166175172
2023161181174
2022284189185
2021284185180
2020233179171
2019216179175
2018216173172
2017239179180
2016250173178
2015105162167
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% Students of Color
41%
52%

Percentage of Students of Color Trends (2015-2025)

YearSan Marcos, CA AvgCalifornia (CA)National
202541%51%34%
202439%51%34%
202342%50%33%
202226%48%33%
202126%48%32%
202026%48%32%
201923%48%31%
201823%47%31%
201728%50%32%
201628%49%32%
201529%49%32%
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0.63
0.74

Diversity Score Trends

YearSan Marcos, CA AvgCalifornia (CA)National
20250.630.740.65
20240.610.740.65
20230.690.740.65
20220.590.730.64
20210.590.730.64
20200.590.730.64
20190.540.730.63
20180.540.730.63
20170.550.720.61
20160.550.720.61
20150.560.720.61
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Show more data/charts: racial breakdown
# American Indian Students
7 Students
3,575 Students
% American Indian Students
1%
1%

Percentage of ²ÝÁñÉçÇø School Students of American Indian Trends

YearSan Marcos, CA AvgCalifornia (CA)National
20251%1%1%
20242%1%1%
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# Asian Students
52 Students
71,780 Students
% Asian Students
8%
11%

Asian Student Percentage Trends

YearSan Marcos, CA AvgCalifornia (CA)National
20258%11%5%
20248%11%5%
202312%11%5%
202211%10%4%
202111%10%4%
202012%10%4%
20194%10%4%
20184%10%4%
20178%10%4%
20168%10%4%
20159%10%4%
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# Hispanic Students
159 Students
104,409 Students
% Hispanic Students
23%
16%

Hispanic Student Percentage Trends

YearSan Marcos, CA AvgCalifornia (CA)National
202523%16%9%
202424%16%9%
202323%16%9%
20228%16%8%
20218%16%9%
20208%16%9%
201917%16%8%
201817%17%8%
201710%17%8%
201610%17%8%
201510%17%8%
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# Black Students
20 Students
30,223 Students
% Black Students
3%
5%

Black Student Percentage Trends

YearSan Marcos, CA AvgCalifornia (CA)National
20253%5%7%
20243%5%7%
20233%5%8%
20222%4%7%
20212%5%7%
20202%5%8%
20191%4%7%
20181%4%7%
20172%5%7%
20162%5%7%
20152%5%8%
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# White Students
376 Students
235,771 Students
% White Students
55%
37%

White Student Percentage Trends

YearSan Marcos, CA AvgCalifornia (CA)National
202555%37%52%
202457%37%52%
202349%38%52%
202260%40%54%
202160%40%54%
202060%40%54%
201964%41%56%
201864%41%56%
201765%43%58%
201665%43%58%
201564%43%58%
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# Hawaiian Students
7 Students
5,499 Students
% Hawaiian Students
1%
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
62 Students
188,336 Students
% of Others Students
9%
29%

Other Races Student Percentage Trends

YearSan Marcos, CA AvgCalifornia (CA)National
20259%29%26%
20245%29%26%
202313%28%25%
202219%28%25%
202119%27%25%
202018%27%24%
201914%26%24%
201814%26%23%
201715%24%22%
201615%24%22%
201515%23%21%
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All Ethnic Groups
Academics
# Teachers
108 Teachers
55,641 Teachers
Average Student-Teacher Ratio
9:1
12:1

Student-Teacher Ratio Trends (2015-2025)

YearSan Marcos, CA AvgCalifornia (CA)National
20259:112:111:1
20249:112:111:1
202310:112:111:1
202232:112:111:1
202132:113:111:1
202030:113:112:1
201929:112:112:1
201829:112:112:1
201732:113:112:1
201634:113:112:1
201516:113:112:1
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% Average Faculty w/Advanced Degree
25%
59%
Average Class Size
14 students
17 students

Class Size Trends (2017-2025)

YearSan Marcos, CA AvgCalifornia (CA)National
2025141715
2024151715
2023151715
2022151715
2021201715
2020151715
2019151715
2018151715
2017151715
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Average Number of AP Courses
5 courses
15 courses
Tuition & Aid
Average Yearly Tuition Cost
$16,975
$18,350

Tuition Cost Trends (2017-2025)

YearSan Marcos, CA AvgCalifornia (CA)National
2025$16,925$18,076$15,012
2024$5,150$17,195$13,254
2023$5,075$16,660$12,626
2022$5,075$15,979$12,187
2021$4,733$15,298$11,800
2020$4,725$14,748$11,512
2019$4,725$14,369$11,293
2018$4,725$13,813$11,017
2017$4,200$13,422$10,708
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Average Summer Program Cost
$415
$1,062

Summer Program Cost Trends (2021-2025)

YearSan Marcos, CA AvgCalifornia (CA)National
2025$400$1,044$1,152
2024$400$999$1,128
2023$385$1,039$1,156
2022$385$934$1,102
2021$363$815$1,125
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Average % on Financial Aid
5%
29%
Admissions & Athletics
Average Acceptance Rate
58%
80%
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 Teri, Inc. The Country School, St. Joseph Academy, and Calvary Preparatory Academy-Online.
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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