Delta Charter

Set in Aptos, California, Delta Charter is a micro-enrollment 9-12 campus, overseen by Santa Cruz City High. It teaches 113 students across grades 9 through 12. Enrollment runs roughly 87% smaller than the state mean of about 838.

Within Santa Cruz City High, which oversees 9 schools and 4,455 students, Delta Charter is one campus in the system.

For racial and ethnic makeup, Delta Charter shows that the largest single group is White at 52%, but no single group is in the majority. Other groups include 38% Hispanic, 5% multiracial.

Looking at school resources, The school currently runs with 9 full-time-equivalent teachers, for a student-teacher ratio near 13.3:1. That figure is tighter than the state norm's 18.2:1 average. Roughly 39% of students at Delta Charter qualify for free or reduced-price lunch, often used as a Title I proxy. That share is below Santa Cruz County's rate of about 52%.

After controlling for student poverty, On a poverty-adjusted basis, Delta Charter sits in the bottom 10% statewide. Predicted proficiency from the FRL regression is roughly 56.3%; actual is 17.5%, a gap of -38.9 points.

Across the wider county, the surrounding county (Santa Cruz County) records that the typical household earns roughly $111,093 per year, roughly 44% of adults have completed at least a four-year degree, and the poverty rate sits near 6%. Across Santa Cruz County's 83 public schools (combined enrollment of about 36,316 students), Delta Charter is one campus in the mix.

The closest other public school is Mar Vista Elementary, roughly 0.3 miles away. Counting just inside five miles, 8 other public schools cluster around Delta Charter. Ranking that nearby cluster on reported proficiency puts Delta Charter at 8th of 8; the average score across the group is 48.1%.

The school occupies a bedroom-community site. Delta Charter is a charter school, which puts it inside the public-school system but outside the standard district-managed model.

Trend over the last 7 years. Over the past 7-year window, the student count remained close to its prior level: 112 students in 2018 compared to 113 in 2025. Over the same period, the White share declined from 57% to 52%. Class-load math has pulled in: from 14.8:1 in 2018 to 13.3:1 in 2025.

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