Serving 282 students in grades Kindergarten-12, Delta Charter Online 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 10-14% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 35-39% (which is lower than the California state average of 47%).
The student-teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 74% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 282 students
- Student-Teacher Ratio: 24:1
- Minority Enrollment: 74%
- Graduation Rate: 90-94% (Top 30% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 10-14% (Btm 50%)
- Reading Proficiency: 35-39% (Btm 50%)
- Science Proficiency: 10-14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Delta Charter Online ranks among the top 20% of public schools in California for:
Category
Attribute
Community Size
School Overview
Delta Charter Online's student population of 282 students has grown by 30% over five school years.
The teacher population of 12 teachers has grown by 50% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
Total Students
282 students
Total Classroom Teachers
12 teachers
School Rankings
Delta Charter Online 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 Online is 0.66, which is more 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
#7013 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
10-14%
34%
Reading/Language Arts Test Scores (% Proficient)
35-39%
47%
Science Test Scores (% Proficient)
10-14%
29%
Student-Teacher Ratio
24:1
21:1
American Indian
n/a
1%
Asian
9%
12%
Hispanic
51%
56%
Black
6%
5%
White
26%
20%
Hawaiian
1%
n/a
Two or more races
7%
6%
All Ethnic Groups
Graduation Rate
90-94%
87%
Eligible for Free Lunch
51%
54%
Eligible for Reduced Lunch
7%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Delta Charter Online's ranking?
Delta Charter Online is ranked #7013 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 34% CA state average), while 35-39% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Delta Charter Online?
The graduation rate of Delta Charter Online is 90-94%, which is higher than the California state average of 87%.
How many students attend Delta Charter Online?
282 students attend Delta Charter Online.
What is the racial composition of the student body?
51% of Delta Charter Online students are Hispanic, 26% of students are White, 9% of students are Asian, 7% of students are Two or more races, 6% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Delta Charter Online?
Delta Charter Online has a student ration of 24:1, which is higher than the California state average of 21:1.
What grades does Delta Charter Online offer ?
Delta Charter Online offers enrollment in grades Kindergarten-12
What school district is Delta Charter Online part of?
Delta Charter Online is part of New Jerusalem Elementary School District.
School Reviews
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