Delta Charter
🇺🇸 Official data · 2025Aptos, California 95003 · Santa Cruz City High
#747 of 1,343 high schools in California
#12565 of 16,910 nationally
About Delta Charter
Delta Charter is a charter high located in Aptos, in the Santa Cruz City High school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 113 students. Publicly funded charter schools operating under a performance contract; free to attend.
Its Success Index (US) is 33.4 out of 100, placing it in the lower 50% of high schools in United States and 747th of 1,343 ranked high schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (68th percentile), and its weakest is math proficiency (7th percentile).
Other published figures: enrollment 113.
There are 6 schools in Aptos; Delta Charter ranks 6th of 6 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)10%
- Reading proficiency (30%)34.5%
- Community advantage (fewer free/reduced-price lunch) (25%)38.9%
- Students per teacher (15%)14.1
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 Delta Charter by the official sources.
- Enrollment
- 113
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 38.9%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 14.1
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 34.5%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 10%
- Share of tested students proficient or above (all students, all grades).
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Schools near Delta Charter
Closest schools by straight-line distance, with their Success Index (US).
Mar Vista Elementary
Aptos · Public elementary · Grades K–6
270 students · 560 m away
New Brighton Middle
Capitola · Public middle · Grades 6–8
585 students · 2.0 km away
Main Street Elementary
Soquel · Public elementary · Grades K–5
383 students · 2.6 km away
Soquel Elementary
Soquel · Public elementary · Grades K–5
337 students · 2.8 km away
Valencia Elementary
Aptos · Public elementary · Grades K–6
487 students · 2.8 km away
Soquel High
Soquel · Public high · Grades 9–12
1,074 students · 3.1 km away
Aptos Junior High
Aptos · Public middle · Grades 7–8
587 students · 4.0 km away
Mountain Elementary
Soquel · Public elementary · Grades K–6
143 students · 5.0 km away
Santa Cruz Gardens Elementary
Santa Cruz · Public elementary · Grades K–5
214 students · 5.1 km away
Live Oak Elementary
Santa Cruz · Public elementary · Grades K–5
362 students · 5.1 km away
Similar schools
Charter high schools in California with a comparable Enrollment.
Six Rivers Charter High
Arcata · Charter high · Grades 9–12
113 students
Maidu Virtual Charter Academy
Auburn · Charter high · Grades 9–12
114 students
Capital College & Career Academy
Sacramento · Charter high · Grades 9–12
115 students
AeroSTEM Academy
Yuba City · Charter high · Grades 5–12
116 students
New Millennium Secondary
Gardena · Charter high · Grades 9–12
116 students
Pacific Crest Academy
El Dorado · Charter high · Grades 9–12
117 students
Frequently asked questions
Is Delta Charter a good school?
Delta Charter has a Success Index (US) of 33.4 out of 100 (Lower 50% of high schools in United States) and ranks #747 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 Delta Charter rank in California?
Delta Charter ranks #747 of 1,343 high schools in California and #12565 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Delta Charter?
Delta Charter had 113 students in 2025.
Is Delta Charter a elementary school or a high school?
Delta Charter is classified as a high covering Grades 9–12. It is a charter school.
What other schools are near Delta Charter?
There are 10 schools within 15 km of Delta Charter; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.