Carleton P. Lightfoot Elementary, Alta Loma CA

Original Research by School Decision on Carleton P. Lightfoot Elementary

Carleton P. Lightfoot Elementary serves kindergarten through fifth grade in Alta Loma, a built-out residential foothill community within Rancho Cucamonga. The school sits in one of San Bernardino County's more affluent areas, where large-lot homes, low-density development, and commercial restrictions have preserved semi-rural character and a high rate of homeownership.

The school's enrollment is moderate and stable, with roughly balanced numbers across grades. The student population is notably diverse in composition. Asian students make up a substantial plurality, followed by Hispanic students, while white, two-or-more-races, and black students round out the group. About a third of the enrollment qualifies for free or reduced-price lunch, a meaningful share reflecting some economic diversity within the broader affluent zip code.

On state assessments administered in spring 2025, Lightfoot's proficiency rates sit above the midpoint among San Bernardino County districts. In English language arts across third through fifth grades, students generally performed in the low-to-mid seventy-percent range for proficiency, with fourth and fifth graders showing stronger results than third graders. Mathematics proficiency was comparable across third and fourth grades and dipped noticeably by fifth grade. In science, tested only at fifth grade, proficiency approached sixty percent. These results reflect a school where roughly seven in ten students are meeting grade-level standards in foundational subjects, with some variation by grade level and subject. The gap widening in fifth-grade math may warrant a parent's closer look at what supports exist as students progress through the upper elementary grades.

The district itself, Etiwanda Elementary, covers this portion of Rancho Cucamonga. Information about recent strategic changes or initiatives at the district level was not readily available, so a parent may want to contact the district directly for details on priorities and any shifts in programming or support.

Alta Loma itself offers a quiet, car-dependent lifestyle centered on large residential parcels, parks, and equestrian trails rather than walkable streets or a traditional downtown. Most daily needs require driving. The housing market is expensive and competitive; homes in the area sell quickly and command prices well above state and national medians. New construction is limited to small infill projects and luxury estates rather than large subdivisions. For families already in or relocating to this market, Lightfoot serves as the neighborhood elementary school in a stable, affluent suburban setting with moderate academic performance and a diverse student body.

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Academic performance

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

Math

Grade 377%

School 77% · District 71% · ▲ 6 pts above district

▲ 35 pts above state median · ▲ 42 pts above county median

Grade 473%

School 73% · District 66% · ▲ 7 pts above district

▲ 35 pts above state median · ▲ 45 pts above county median

Grade 565%

School 65% · District 60% · ▲ 5 pts above district

▲ 35 pts above state median · ▲ 43 pts above county median

English language arts

Grade 369%

School 69% · District 68% · ▲ 1 pts above district

▲ 28 pts above state median · ▲ 35 pts above county median

Grade 476%

School 76% · District 68% · ▲ 8 pts above district

▲ 33 pts above state median · ▲ 40 pts above county median

Grade 576%

School 76% · District 69% · ▲ 7 pts above district

▲ 30 pts above state median · ▲ 36 pts above county median

Science

Grade 560%

School 60% · District 51% · ▲ 9 pts above district

▲ 32 pts above state median · ▲ 38 pts above county median

This schoolEtiwanda 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.

Proficiency by household income

English language arts

Grade 3Lower-income54%Higher-income74%20 pp gap

Grade 4Lower-income63%Higher-income82%19 pp gap

Grade 5Lower-income66%Higher-income81%15 pp gap

Mathematics

Grade 3Lower-income58%Higher-income84%27 pp gap

Grade 4Lower-income67%Higher-income76%9 pp gap

Grade 5Lower-income60%Higher-income67%7 pp gap