Delta Keys Charter vs Jefferson
A head-to-head comparison of two schools in California, United States, 7.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Delta Keys Charter
Tracy · Charter other · Grades K–12
125 students
Jefferson
Tracy · Public middle · Grades 5–8
388 students
| Measure | Delta Keys Charter Tracy, California | Jefferson Tracy, California |
|---|---|---|
| Success Index (US) | – Not rated | 67 Top 50% |
| State rank | – | #214 of 1,334 |
| National rank | – | #3975 of 15,369 |
| Sector | Charter | Public |
| Type | Other | Middle |
| Year range | Grades K–12 | Grades 5–8 |
| Students | 125 | 388 |
| Enrollment | 125 | 388 |
| Free/reduced-price lunch | 72.8% | 25.5% |
| Students per teacher | 17.9 | 22.8 |
| Reading proficiency | 12% | 65% |
| Math proficiency | 2.5% | 55% |
| city | Tracy | Tracy |
| state | California | California |
| Website | – | – |
The verdict
- •Jefferson does better on math proficiency (55% vs 2.5%).
- •Jefferson does better on reading proficiency (65% vs 12%).
- •Jefferson does better on community advantage (fewer free/reduced-price lunch) (25.5% vs 72.8%).
- •Delta Keys Charter does better on students per teacher (17.9 vs 22.8).
- •Jefferson is the larger school with 388 students compared with 125.
- •Delta Keys Charter is a charter school while Jefferson is a public school, so fees and admission rules differ.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Delta Keys Charter better than Jefferson?
The two schools are very close on the Success Index (US). Differences in sector, size, programmes and distance from home will matter more than the score.
How far apart are Delta Keys Charter and Jefferson?
About 7.1 km in a straight line, between Tracy and Tracy in California.
Which has the better Enrollment?
Delta Keys Charter: 125. Jefferson: 388. Students enrolled in the latest NCES directory year.
How do Delta Keys Charter and Jefferson rank in California?
Delta Keys Charter is unranked and Jefferson is 214th of 1,334 among other schools in California on the 2025 Success Index (US).