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St Charles School

Private, Roman Catholic Grades K-8

263

Students ?

14.6

Student/teacher ratio ?

850 Tamarack Ave
San Carlos, CA 94070

(650) 593-1629

Racial breakdown:

Not Specified:

100.0%

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Schools Near St Charles School

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Ranking:

E Elementary M Middle H High A Alternative P Private

School	Students/Teachers	Per Pupil Expenditures (2025)
St Charles School	Private, Roman Catholic	K-8	850 Tamarack Ave	San Carlos	94070	San Mateo County	(650) 593-1629	263	18	14.6	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Arbor Bay School	Private, Nonsectarian	1-8	1017 Cedar St	San Carlos	94070	San Mateo County	(650) 244-1519	29	4	7.2	18 (62.1%)	0 (0.0%)	5 (17.2%)	6 (20.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Kindercourt Academy	Private, Nonsectarian	K	1225 Greenwood Ave	San Carlos	94070	San Mateo County	(650) 591-4882	45	5	9.0	31 (68.9%)	0 (0.0%)	2 (4.4%)	6 (13.3%)	0 (0.0%)	0 (0.0%)	6 (13.3%)
Charles Armstrong School	Private, Nonsectarian	2-8	1405 Solana Dr	Belmont	94002	San Mateo County	(650) 592-7570	239	43	5.5	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Notre Dame High School	Private, Roman Catholic, Girls	9-12	1540 Ralston Ave	Belmont	94002	San Mateo County	(650) 595-1913	417	28	14.7	259 (62.1%)	3 (0.7%)	64 (15.3%)	80 (19.2%)	7 (1.7%)	4 (1.0%)	0 (0.0%)
Field Middle School	Private, Nonsectarian, Boys	6-8	1500 Ralston Ave	Belmont	94002	San Mateo County	(925) 708-5087	45	9	5.1	22 (48.9%)	1 (2.2%)	8 (17.8%)	10 (22.2%)	0 (0.0%)	0 (0.0%)	4 (8.9%)
Compass High School	Private, Nonsectarian	9-12	1500 Ralston Ave	Belmont	94002	San Mateo County	(650) 437-2100	41	7	5.9	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Sequoia Preschool Kindergarten	Private, Nonsectarian	PK-K	233 Topaz St	Redwood City	94062	San Mateo County	(650) 367-0180
Immaculate Heart Of Mary School	Private, Roman Catholic	PK, KG-8	1000 Alameda De Las Pulgas	Belmont	94002	San Mateo County	(650) 593-4260	112	13	7.7	89 (79.5%)	0 (0.0%)	4 (3.6%)	4 (3.6%)	0 (0.0%)	0 (0.0%)	3 (2.7%)
Our Lady Of Mt Carmel School	Private, Roman Catholic	PK, KG-8	301 Grand St	Redwood City	94062	San Mateo County	(650) 366-6127	260	14	17.6	131 (50.4%)	3 (1.2%)	32 (12.3%)	4 (1.5%)	0 (0.0%)	9 (3.5%)	66 (25.4%)

Frequently Asked Questions about St Charles School

How many students attend St Charles School?

In the 2023-24 school year, 263 students attended St Charles School.

What is the racial makeup of St Charles School?

Students at St Charles School are 100% Not Specified.

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Latest California data All new data »

2024–25 school spending dataJul 1, 2026

2024–25 attendance dataMar 13, 2026

2024–25 CSA Spanish test scoresDec 22, 2025

2024–25 dropout rates & graduation ratesNov 14, 2025

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

Diagnostics

School								Students/Teachers											Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Total
St Charles School	Private, Roman Catholic	K-8	850 Tamarack Ave	San Carlos	94070	San Mateo County	(650) 593-1629	263	18	14.6		0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Arbor Bay School	Private, Nonsectarian	1-8	1017 Cedar St	San Carlos	94070	San Mateo County	(650) 244-1519	29	4	7.2		18 (62.1%)	0 (0.0%)	5 (17.2%)	6 (20.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Kindercourt Academy	Private, Nonsectarian	K	1225 Greenwood Ave	San Carlos	94070	San Mateo County	(650) 591-4882	45	5	9.0		31 (68.9%)	0 (0.0%)	2 (4.4%)	6 (13.3%)	0 (0.0%)	0 (0.0%)	6 (13.3%)
Charles Armstrong School	Private, Nonsectarian	2-8	1405 Solana Dr	Belmont	94002	San Mateo County	(650) 592-7570	239	43	5.5		0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Notre Dame High School	Private, Roman Catholic, Girls	9-12	1540 Ralston Ave	Belmont	94002	San Mateo County	(650) 595-1913	417	28	14.7		259 (62.1%)	3 (0.7%)	64 (15.3%)	80 (19.2%)	7 (1.7%)	4 (1.0%)	0 (0.0%)
Field Middle School	Private, Nonsectarian, Boys	6-8	1500 Ralston Ave	Belmont	94002	San Mateo County	(925) 708-5087	45	9	5.1		22 (48.9%)	1 (2.2%)	8 (17.8%)	10 (22.2%)	0 (0.0%)	0 (0.0%)	4 (8.9%)
Compass High School	Private, Nonsectarian	9-12	1500 Ralston Ave	Belmont	94002	San Mateo County	(650) 437-2100	41	7	5.9		0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Sequoia Preschool Kindergarten	Private, Nonsectarian	PK-K	233 Topaz St	Redwood City	94062	San Mateo County	(650) 367-0180
Immaculate Heart Of Mary School	Private, Roman Catholic	PK, KG-8	1000 Alameda De Las Pulgas	Belmont	94002	San Mateo County	(650) 593-4260	112	13	7.7		89 (79.5%)	0 (0.0%)	4 (3.6%)	4 (3.6%)	0 (0.0%)	0 (0.0%)	3 (2.7%)
Our Lady Of Mt Carmel School	Private, Roman Catholic	PK, KG-8	301 Grand St	Redwood City	94062	San Mateo County	(650) 366-6127	260	14	17.6		131 (50.4%)	3 (1.2%)	32 (12.3%)	4 (1.5%)	0 (0.0%)	9 (3.5%)	66 (25.4%)