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Justin-Siena

Private, Roman Catholic Grades 9-12

654

Students ?

14.1

Student/teacher ratio ?

4026 Maher St
Napa, CA 94558-2243

(707) 255-0950

Racial breakdown:

White:

48.3%

Hispanic:

23.1%

Asian:

16.4%

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Schools Near Justin-Siena

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Vaccination Finance All

School								Students/Teachers											Vaccination (2024-25)		Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/reduced lunch	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Vaccination: Kindergartners with all required immunizations	Vaccination: Exemption rate	Total
Justin-Siena	Private, Roman Catholic	9-12	4026 Maher St	Napa	94558	Napa County	(707) 255-0950	654	46	14.1		316 (48.3%)	22 (3.4%)	151 (23.1%)	107 (16.4%)	2 (0.3%)	3 (0.5%)	53 (8.1%)
St Apollinaris School	Private, Roman Catholic	PK, KG-8	3700 Lassen St	Napa	94558	Napa County	(707) 224-6525	352	16	20.8		181 (51.4%)	1 (0.3%)	68 (19.3%)	12 (3.4%)	0 (0.0%)	2 (0.6%)	68 (19.3%)
Napa Montessori Children's House Inc.	Private, Nonsectarian	K	29 Winestone Ct	Napa	94558	Napa County	(707) 266-1596	15	4	3.8		13 (86.7%)	0 (0.0%)	0 (0.0%)	1 (6.7%)	0 (0.0%)	0 (0.0%)	1 (6.7%)
St John's Lutheran School	Private, Lutheran Church - Missouri Synod	PK, KG-8	3521 Linda Vista Ave	Napa	94558	Napa County	(707) 226-7970	292	15	15.0		211 (72.3%)	1 (0.3%)	4 (1.4%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	11 (3.8%)	≥ 95%
Kolbe Academy & Trinity Prep	Private, Roman Catholic	K-12	2055 Redwood Rd	Napa	94558	Napa County	(707) 258-9030	150	10	15.1		47 (31.3%)	1 (0.7%)	101 (67.3%)	1 (0.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Sunrise Montessori Of Napa Valley	Private, Nonsectarian	PK, KG-5	1226 Salvador Ave	Napa	94558	Napa County	(707) 253-1105	82	15	2.8		3 (3.7%)	1 (1.2%)	35 (42.7%)	3 (3.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Nature's Way Montessori	Private, Nonsectarian	PK-K	3051 Browns Valley Rd	Napa	94558	Napa County	(707) 226-5437	51	1	5.0		3 (5.9%)	0 (0.0%)	0 (0.0%)	1 (2.0%)	0 (0.0%)	0 (0.0%)	1 (2.0%)
Kolbe Academy	Private, Roman Catholic	K-12	1600 F St	Napa	94559	Napa County	(707) 255-6499												43%	0%
Veritas Christian Academy	Private, Christian (no specific denomination)	PK, KG-8	2659 First St., Ste B	Napa	94558	Napa County	(707) 815-2581	198	13	9.6		101 (51.0%)	4 (2.0%)	15 (7.6%)	3 (1.5%)	0 (0.0%)	1 (0.5%)	0 (0.0%)
St John The Baptist Catholic School	Private, Roman Catholic	K-8	983 Napa St	Napa	94559	Napa County	(707) 224-8388

Frequently Asked Questions about Justin-Siena

What is the racial makeup of Justin-Siena?

Students at Justin-Siena are 48% White, 23% Hispanic, 16% Asian, 8% Two or more races, 3% African American.

How many students attend Justin-Siena?

In the 2023-24 school year, 654 students attended Justin-Siena.

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Latest California data All new data »

2013–14 through 2024–25 immunization rates (updated)NewOct 19, 2026

2025–26 attendance data, dropout rates & graduation ratesNewOct 15, 2026

2025–26 CAST, CSA Spanish & Smarter Balanced Assessments scoresNewOct 15, 2026

2024–25 school spending dataJul 1, 2026

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.

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