Columbia Elementary, Lancaster CA

Original Research by School Decision on Columbia Elementary

Columbia Elementary serves grades kindergarten through sixth in Lancaster, a mid-sized desert city in the Antelope Valley. It is a regular public elementary school within the Eastside Union Elementary district. The school enrolls a small to modest population, with roughly equal distributions across grades, and serves a student body that is substantially lower-income: nearly all students qualify for free or reduced-price lunch. The student population is predominantly Hispanic with a substantial Black enrollment and small representation of other racial groups.

The most immediate fact about Columbia's academic profile is that proficiency in both English language arts and mathematics is quite low. On California's state assessment, school-wide proficiency in ELA sits at roughly one in five students. Math proficiency is similar, at about one in six. These are substantially below the median performance seen across districts in Los Angeles County. Performance varies somewhat by grade, with third grade showing somewhat higher proficiency than the upper elementary grades, but no grade meets expectations on either subject. Science proficiency, measured in fifth grade, is similarly low. A parent looking at these results should understand that Columbia faces a serious academic challenge. The data provided does not contain trend information to show whether results are improving or declining, so a parent may want to ask the school directly about its recent performance trajectory and any interventions underway.

The broader context that shapes the school's enrollment and needs is worth noting. Lancaster itself is a developing city in the high desert with major employers in aerospace and defense, healthcare, education, and retail. The downtown corridor along the BLVD has undergone revitalization and houses cultural institutions including a performing arts center and art museum, and the city is growing with residential and industrial development in the pipeline. However, the school serves a neighborhood population facing substantial economic hardship, with very high rates of economic disadvantage reflected in lunch eligibility.

The Eastside Union Elementary district, Columbia's parent district, recently won voter approval for a facilities bond intended to address aging infrastructure, upgrade health and safety standards, improve accessibility, and modernize instructional technology and labs across its schools. This initiative suggests the district is making intentional investments in the physical and technological environment for learning, though such improvements take time to translate into academic gains.

For a family considering this school, the academic results are the primary concern and warrant direct conversation with school leadership about curriculum approaches, staffing, available supports for struggling students, and realistic expectations for improvement. The school serves a community with deep economic needs, which both shapes its student population and informs what kinds of support structures and resources matter. The locale is growing and offers reasonable access to regional employment and services, but the school's current performance suggests significant academic support would be important for a child's success here.

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Academic performance

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

Math

Grade 329%

School 29% · District 26% · ▲ 3 pts above district

▼ 14 pts below state median · ▼ 17 pts below county median

Grade 417%

School 17% · District 17%

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

Grade 511%

School 11% · District 16% · ▼ 5 pts below district

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

Grade 615%

School 15% · District 16% · ▼ 1 pts below district

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

English language arts

Grade 316%

School 16% · District 19% · ▼ 3 pts below district

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

Grade 422%

School 22% · District 20% · ▲ 2 pts above district

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

Grade 526%

School 26% · District 27% · ▼ 1 pts below district

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

Grade 620%

School 20% · District 23% · ▼ 3 pts below district

▼ 24 pts below state median · ▼ 25 pts below county median

Science

Grade 517%

School 17% · District 15% · ▲ 2 pts above district

▼ 12 pts below state median · ▼ 11 pts below county median

This schoolEastside Union Elementary, 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.