Delta Keys Charter

Combined school·Grades K-12·Charter Tracy, California·95304
Score
52.8/100
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#269
Among 569 California combined schools
#1
In New Jerusalem Elementary
#2
In Tracy
Top 48%
In California

Score 52.8/100: better than 52% of California combined schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

% met or exceeded standard on state tests in California, all students. Colored bars are green when the school is at or above the average for similar California schools.

English language arts
29%
Similar California schools ≈ 45%, better than 32% of them
55 students tested
Math
36%
Similar California schools ≈ 31%, better than 77% of them
55 students tested
Science
23%
Similar California schools ≈ 32%, better than 46% of them
64 students tested
All California schools (ELA / math)
49% / 37%
State average across every school type, 2024-25
All 9 published results by grade and test

As published by California Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 11Smarter Balanced ELA29.155
English language artsAll gradesSmarter Balanced ELA29.155
MathGrade 11Smarter Balanced Math36.455
MathAll gradesSmarter Balanced Math36.455
ScienceGrade 11CAST23.343
ScienceGrade 12CAST23.821
ScienceGrade 14CAST23.464
ScienceAll gradesCAST23.464
ScienceGrade 99CAST1250

School profile

Grades
K-12
Students
125
Type
Combined school
Charter school
Yes
Program
Regular

Students

Enrollment
125
Typical combined school: 235
Free or reduced-price lunch
73%
Typical combined school: 65%

District and location

City
San Joaquin County

Contact

Address
31400 South Koster Rd.
Tracy, CA 95304
District website
Shared by several schools in the district

"Typical" is the middle (median) combined school in California. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby combined schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Delta Keys Charter at a glance

Delta Keys Charter is a public combined school (a charter school) in Tracy, California, serving grades K-12. It is part of the New Jerusalem Elementary school district. It has about 125 students (a typical California combined school has 235). About 73% of students are eligible for free or reduced-price lunch, compared with 65% at a typical California combined school, which is useful context when reading test results.

In 2024-25 state tests, 29% in English language arts (similar schools: 45%) and 36% in math (similar schools: 31%) reached the state standard (% met or exceeded standard). On our score, which compares it only with other California combined schools, it scores 52.8 out of 100: better than 52% of them, ranking #269 of 569. Its English language arts result rose by 14 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.