Ygnacio Valley High
🇺🇸 Official data · 2025Concord, California 94518 · Mt. Diablo Unified
#1182 of 1,343 high schools in California
#15696 of 16,910 nationally
About Ygnacio Valley High
Ygnacio Valley High is a public high located in Concord, in the Mt. Diablo Unified school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 1,059 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 17.5 out of 100, placing it in the lower 50% of high schools in United States and 1182nd of 1,343 ranked high schools in California. Its strongest component is students per teacher (21th percentile), and its weakest is math proficiency (11th percentile).
Other published figures: enrollment 1,059.
There are 22 schools in Concord; Ygnacio Valley High ranks 16th of 22 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)13%
- Reading proficiency (30%)33%
- Community advantage (fewer free/reduced-price lunch) (25%)81.5%
- Students per teacher (15%)19.3
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Ygnacio Valley High by the official sources.
- Enrollment
- 1,059
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 81.5%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 19.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 33%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 13%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Ygnacio Valley High
Closest schools by straight-line distance, with their Success Index (US).
Contra Costa School of Performing Arts
Walnut Creek · Charter high · Grades 6–12
285 students · 466 m away
Oak Grove Middle
Concord · Public middle · Grades 6–8
681 students · 869 m away
Woodside Elementary
Concord · Public elementary · Grades K–5
289 students · 978 m away
Valle Verde Elementary
Walnut Creek · Public elementary · Grades K–5
485 students · 1.1 km away
Bancroft Elementary
Walnut Creek · Public elementary · Grades K–5
672 students · 1.1 km away
Foothill Middle
Walnut Creek · Public middle · Grades 6–8
1,005 students · 1.7 km away
Ygnacio Valley Elementary
Concord · Public elementary · Grades K–5
387 students · 1.8 km away
Walnut Acres Elementary
Walnut Creek · Public elementary · Grades K–5
689 students · 1.9 km away
Fair Oaks Elementary
Pleasant Hill · Public elementary · Grades K–5
323 students · 2.4 km away
Cambridge Elementary
Concord · Public elementary · Grades K–5
469 students · 2.8 km away
Similar schools
Public high schools in California with a comparable Enrollment.
Cabrillo High
Lompoc · Public high · Grades 9–12
1,060 students
Cobalt Institute of Math and Science
Victorville · Public high · Grades 7–12
1,058 students
Capuchino High
San Bruno · Public high · Grades 9–12
1,061 students
Covina High
Covina · Public high · Grades 9–12
1,056 students
Wheatland Union High
Wheatland · Public high · Grades 9–12
1,063 students
Taft Union High
Taft · Public high · Grades 9–12
1,064 students
Frequently asked questions
Is Ygnacio Valley High a good school?
Ygnacio Valley High has a Success Index (US) of 17.5 out of 100 (Lower 50% of high schools in United States) and ranks #1182 of 1,343 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Ygnacio Valley High rank in California?
Ygnacio Valley High ranks #1182 of 1,343 high schools in California and #15696 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Ygnacio Valley High?
Ygnacio Valley High had 1,059 students in 2025.
Is Ygnacio Valley High a elementary school or a high school?
Ygnacio Valley High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Ygnacio Valley High?
There are 10 schools within 15 km of Ygnacio Valley High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.