Delta Charter High School is located on the outskirts of Tracy, California. DCHS has a student population of about 300. It is a Charter School focused on balancing a mix of both independent study and classroom instruction, and is accredited by the Western Association of Schools and Colleges.
Serving 125 students in grades Kindergarten-12, Delta Keys 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 11-19% (which is lower than the California state average of 47%).
The student-teacher ratio of 18:1 is lower than the California state level of 21:1.
Minority enrollment is 86% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 125 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 86%
- Graduation Rate: 45-49% (Btm 50% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤10% (Btm 50%)
- Reading Proficiency: 11-19% (Btm 50%)
- Science Proficiency: 6-9% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Delta Keys Charter ranks among the top 20% of public schools in California for:
Category
Attribute
Community Size
School Overview
Delta Keys Charter's student population of 125 students has declined by 34% over five school years.
The teacher population of 7 teachers has declined by 22% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
Total Students
125 students
Total Classroom Teachers
7 teachers
Year Founded
2001
Colors
Green, Silver
School Rankings
Delta Keys 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 Keys Charter is 0.56, 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
#9064 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤10%
34%
Reading/Language Arts Test Scores (% Proficient)
11-19%
47%
Science Test Scores (% Proficient)
6-9%
29%
Student-Teacher Ratio
18:1
21:1
American Indian
n/a
1%
Asian
7%
12%
Hispanic
64%
56%
Black
7%
5%
White
14%
20%
Hawaiian
n/a
n/a
Two or more races
8%
6%
All Ethnic Groups
Graduation Rate
45-49%
87%
Eligible for Free Lunch
68%
54%
Eligible for Reduced Lunch
5%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Dragon
Frequently Asked Questions
What is Delta Keys Charter's ranking?
Delta Keys Charter is ranked #9064 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% of students have achieved math proficiency (compared to the 34% CA state average), while 11-19% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Delta Keys Charter?
The graduation rate of Delta Keys Charter is 45-49%, which is lower than the California state average of 87%.
How many students attend Delta Keys Charter?
125 students attend Delta Keys Charter.
What is the racial composition of the student body?
64% of Delta Keys Charter students are Hispanic, 14% of students are White, 8% of students are Two or more races, 7% of students are Asian, and 7% of students are Black.
What is the student-teacher ratio of Delta Keys Charter?
Delta Keys Charter has a student ration of 18:1, which is lower than the California state average of 21:1.
What grades does Delta Keys Charter offer ?
Delta Keys Charter offers enrollment in grades Kindergarten-12
What school district is Delta Keys Charter part of?
Delta Keys Charter is part of New Jerusalem Elementary School District.
School Reviews
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