Summary:
Zip code 92040 has two Lakeside Middle and Tierra del Sol Middle, both serving grades 6–8 in the Lakeside Union district. In 2025–2026, the schools’ average proficiency was 44% in English language arts (ELA), 31% in math, and 42% in science; statewide results were 49%, 38%, and 36%, respectively. The clearest area-wide takeaway is that science is a shared strength, while math is the largest shared shortfall against the state.
Lakeside Middle leads the all-grades results in every subject, with 46% in ELA, 32% in math, and 43% in science, compared with 42%, 30%, and 41% at Tierra del Sol Middle. The gap is widest in ELA, at 4 percentage points; the schools are closer in math and science, with gaps of about 2 points in each. Both schools are below the state in ELA and math but above it in science. SchoolDigger ranks Lakeside at the 57th percentile statewide and Tierra del Sol at the 51st.
Results changed unevenly from 2024–2025 to 2025–2026: the two-school average rose 9 percentage points in science and 3 in math, while ELA fell 3 points. A grade-level exception may matter to families comparing subjects: Lakeside was slightly above the state in seventh-grade ELA, while Tierra del Sol led eighth-grade math by 2 points, though both schools were below the state in that grade. Other context differs too: in 2024–2025, student-teacher ratios were 23.9 at Lakeside and 19.5 at Tierra del Sol; free/reduced lunch eligible figures were 39% and 41%, respectively. These measures offer context, not an explanation for score differences.
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