Jefferson Middle, Oceanside CA - Test Scores & Data

Original Research by School Decision on Jefferson Middle

Jefferson Middle serves grades six through eight in Oceanside, a mid-sized coastal city in San Diego County with a strong military presence from Marine Corps Base Camp Pendleton and an active downtown and beach culture. The school is a regular public school drawing from the broader Oceanside Unified district, which has recently launched a partnership with MiraCosta College enabling high school students to earn an associate degree in biomanufacturing before graduation, a distinctive pathway families interested in career and technical education would note.

The student body at Jefferson Middle reflects the demographics of Oceanside itself. More than nine-tenths of the enrollment qualifies for free or reduced-price lunch, indicating a student population with substantial economic need. The student body is predominantly Hispanic, with smaller populations of white, multiracial, Asian, and Black students. Data on special education enrollment and English learner status were not available. The school's enrollment sits at around mid-sized for a middle school.

State assessment results from 2024-25 show deeply concerning proficiency across subjects. In mathematics, proficiency ranges from around nine percent in eighth grade to roughly twelve percent in sixth grade, with a composite rate across grades in the low double digits. In English language arts, proficiency is somewhat higher but still quite low, ranging from around twenty percent to just over twenty-two percent depending on the grade level. Science proficiency, measured in eighth grade only, sits below ten percent. These numbers place Jefferson Middle in the bottom quartile among county districts on a proficiency index that averages across tested subjects and grades. A parent reviewing these results would want to seek clarification from the school about whether supports are in place to address foundational skill gaps and what interventions are available for struggling learners.

The school's performance appears consistent with broader challenges the district faces. Oceanside Unified has experienced significant enrollment and attendance declines over recent years, driving budget constraints and staffing reductions that affect program breadth and offerings. The district projects continued pressure from these dynamics through the coming years.

Oceanside itself is a walkable, beach-oriented community with a revitalized downtown, active civic anchors including libraries and parks, and strong transit connections via the Oceanside Transit Center. Housing costs in the zip code are substantially above state and national medians, reflecting the community's desirability as a coastal location. The city is planning for growth through mixed-use, transit-oriented development, though recent population has been relatively stable to slightly declining.

For a family considering Jefferson Middle, the data points to an environment shaped by economic need and low current academic proficiency, paired with a district managing fiscal and enrollment headwinds. The strengths lie in the school's physical location within an active, walkable community and the district's emerging dual-enrollment pathways at the high school level. A parent would benefit from direct conversation with the school about academic supports, class composition, and staffing levels, given the context of both performance data and district-wide budget pressures.

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Academic performance

How students perform on state tests, by grade, set against the district.

Math

Grade 612%

School 12% · District 29% · ▼ 17 pts below district

▼ 19 pts below state median · ▼ 24 pts below county median

Grade 711%

School 11% · District 28% · ▼ 17 pts below district

▼ 19 pts below state median · ▼ 23 pts below county median

Grade 89%

School 9% · District 30% · ▼ 21 pts below district

▼ 19 pts below state median · ▼ 22 pts below county median

English language arts

Grade 620%

School 20% · District 42% · ▼ 22 pts below district

▼ 24 pts below state median · ▼ 32 pts below county median

Grade 722%

School 22% · District 38% · ▼ 16 pts below district

▼ 23 pts below state median · ▼ 30 pts below county median

Grade 821%

School 21% · District 44% · ▼ 23 pts below district

▼ 23 pts below state median · ▼ 26 pts below county median

Science

Grade 89%

School 9% · District 28% · ▼ 18 pts below district

▼ 16 pts below state median · ▼ 21 pts below county median

Social studies

Grade 835%

School 35% · District 49% · ▼ 14 pts below district

▼ 14 pts below state median · ▼ 18 pts below county median

This schoolOceanside Unified, same grade

Graduation rate (ACGR) reflects the federally published Adjusted Cohort Graduation Rate for the most recent year available. We refresh this data annually at the close of each academic year in June. The federal source publishes a banded rate (for example, "90-94%") instead of an exact number for cohorts small enough to risk identifying individual students. The state distribution chart, where shown, plots every school in the state with a published rate or band; schools whose rate is federally suppressed are excluded. Where the federal source publishes a band rather than an exact rate, the school is placed within its band using a stable, ID-derived offset, so its position is consistent across visits.