Delta Keys Charter

31400 S. Koster Rd.
Lathrop, CA 95330
1/
10
Bottom 50%
Serving 123 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 33%). 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 25:1 is higher than the California state level of 22:1.
Minority enrollment is 87% of the student body (majority Hispanic), which is higher than the California state average of 79% (majority Hispanic).

Quick Stats (2024-25)

  • School Type: Charter School
  • Grades: Kindergarten-12
  • Enrollment: 123 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 87%
  • : 50-54% (Btm 50% in CA)
  • : Bottom 50%
  • : ≤10% (Btm 50%)
  • : 11-19% (Btm 50%)
  • : 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:

School Overview

Delta Keys Charter's student population of 123 students has declined by 38% over five school years.
The teacher population of 5 teachers has grown by 66% over five school years.
Grades Offered
Grades Kindergarten-12
Total Students
123 students
This chart displays total students of Delta Keys Charter by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of Delta Keys Charter
Total Classroom Teachers
5 teachers
This chart displays the total teachers of Delta Keys Charter by year, with the latest 2022-23 school year data.
Students by Grade
This chart displays the students of Delta Keys Charter by grade.

School Rankings

Delta Keys Charter ranks within the bottom 50% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Delta Keys Charter is 0.50, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CA)
#9052 out of 9602 schools
(Bottom 50%)
This chart displays the overall school rank of Delta Keys Charter, with the latest 2021-22 school year data.
≤10%
33%
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Delta Keys Charter and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2021-22 school year data.
11-19%
47%
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Delta Keys Charter and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data.
6-9%
29%
This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Delta Keys Charter and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in California by year, with the latest 2021-22 school year data.
Student : Teacher Ratio
25:1
22:1
This chart displays the student teacher ratio of Delta Keys Charter and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.
American Indian
n/a
1%
Asian
6%
12%
This chart displays the percentage of Asian students in Delta Keys Charter and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.
Hispanic
69%
55%
This chart displays the percentage of Hispanic students in Delta Keys Charter and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
Black
6%
5%
This chart displays the percentage of Black students in Delta Keys Charter and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.
White
13%
21%
This chart displays the percentage of White students in Delta Keys Charter and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
Hawaiian
1%
n/a
Two or more races
5%
6%
This chart displays the percentage of students of two or more races in Delta Keys Charter and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data.
All Ethnic Groups
This chart displays the percentage breakdown of students of all ethnic groups in Delta Keys Charter.
This chart displays the percentage breakdown of public school students of all ethnic groups in California.
0.50
This chart displays the diversity score of Delta Keys Charter and the public school average diversity score of California by year, with the latest 2022-23 school year data.
50-54%
87%
This chart displays graduation rate of Delta Keys Charter and public school graduation rate of California by year, with the latest 2021-22 school year data.
Eligible for Free Lunch
66%
51%
This chart displays the percentage of students who is eligible for free lunch in Delta Keys Charter and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
5%
8%
This chart displays the percentage of students who is eligible for reduced lunch in Delta Keys Charter and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data.
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What is Delta Keys Charter's ranking?
Delta Keys Charter is ranked #9052 out of 9,602 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 33% 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 50-54%, which is lower than the California state average of 87%.
How many students attend Delta Keys Charter?
123 students attend Delta Keys Charter.
What is the racial composition of the student body?
69% of Delta Keys Charter students are Hispanic, 13% of students are White, 6% of students are Asian, 6% of students are Black, 5% of students are Two or more races, and 1% of students are Hawaiian.
What is the student:teacher ratio of Delta Keys Charter?
Delta Keys Charter has a student ration of 25:1, which is higher than the California state average of 22:1.
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.

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Quick Stats (2024-25)

  • School Type: Charter School
  • Grades: Kindergarten-12
  • Enrollment: 123 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 87%
  • : 50-54% (Btm 50%)
  • : Bottom 50%
  • : ≤10% (Btm 50%)
  • : 11-19% (Btm 50%)
  • : 6-9% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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