Serving 116 students in grades 9-12, Delta Charter ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤10% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 21-39% (which is lower than the California state average of 47%).
The student-teacher ratio of 13:1 is lower than the California state level of 21:1.
Minority enrollment is 38% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2025-26)
- School Type: Charter School
- Grades: 9-12
- Enrollment: 116 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 38%
- Graduation Rate: ≥90% (Top 50% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤10% (Btm 50%)
- Reading Proficiency: 21-39% (Btm 50%)
- Science Proficiency: 20-29% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Delta Charter ranks among the top 20% of public schools in California for:
Category
Attribute
Community Size
Student Attention
School Overview
Delta Charter's student population of 116 students has declined by 5% over five school years.
The teacher population of 9 teachers has grown by 28% over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
116 students
Gender %
Total Classroom Teachers
9 teachers
Year Founded
1995
School Motto
Connect. Learn. Empower.
School Rankings
Delta Charter ranks within the bottom 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Delta Charter is 0.53, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#8150 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤10%
34%
Reading/Language Arts Test Scores (% Proficient)
21-39%
47%
Science Test Scores (% Proficient)
20-29%
29%
Student-Teacher Ratio
13:1
21:1
American Indian
1%
1%
Asian
2%
12%
Hispanic
30%
56%
Black
2%
5%
White
62%
20%
Hawaiian
n/a
n/a
Two or more races
3%
6%
All Ethnic Groups
Graduation Rate
≥90%
87%
Eligible for Free Lunch
34%
54%
Eligible for Reduced Lunch
4%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Delta Charter's ranking?
Delta Charter is ranked #8150 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Delta Charter often compared to?
Delta Charteris often viewed alongside schools like Aptos High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
≤10% of students have achieved math proficiency (compared to the 34% CA state average), while 21-39% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Delta Charter?
The graduation rate of Delta Charter is 90%, which is higher than the California state average of 87%.
How many students attend Delta Charter?
116 students attend Delta Charter.
What is the racial composition of the student body?
62% of Delta Charter students are White, 30% of students are Hispanic, 3% of students are Two or more races, 2% of students are Asian, 2% of students are Black, and 1% of students are American Indian.
What is the student-teacher ratio of Delta Charter?
Delta Charter has a student ration of 13:1, which is lower than the California state average of 21:1.
What grades does Delta Charter offer ?
Delta Charter offers enrollment in grades 9-12
What school district is Delta Charter part of?
Delta Charter is part of Santa Cruz City High School District.
School Reviews
Review Delta Charter. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Bullying, Name-Calling & Put-Downs: Parent Guide 2025
Practical tips for parents to address bullying, name-calling, and put-downs鈥攚ith 2025 data, policies, and expert strategies.
What Is a Magnet School? (2025 Guide)
Explore what a magnet school is, how it works, and its benefits in 2025. Clear explanation for parents, students, and educators.
Cooperative Learning in 2025: Evidence, Best Practices & Challenges
Explore cooperative learning in 2025鈥攏ew data, updated practices, expert insights for educators and families.
