Hesperian Elementary, San Lorenzo CA

Original Research by School Decision on Hesperian Elementary

Hesperian Elementary serves kindergarten through fifth grade in the quiet, post-WWII residential planned community of San Lorenzo, an unincorporated census-designated place in Alameda County's East Bay. The school enrolls a small student body with a very high share of students from low-income households. The race-ethnicity makeup is predominantly Hispanic with meaningful Asian, Black, and Pacific Islander representation; nearly the entire student population qualifies for free or reduced-price lunch. English learner and special education enrollment data were not available.

State assessment results are a significant concern. The most recent testing shows proficiency rates across all grade bands and subjects well below typical performance. In English language arts, third grade sits at single digits, and across all tested grades the overall proficiency sits at a low level. Mathematics proficiency is slightly lower still, with fifth grade posting single-digit results and all grades combined at a low level. Fifth-grade science also reports single-digit proficiency. These students are among the lowest-performing in the county relative to other districts. A parent may want to look further into how the school and district are working to close these gaps. The San Lorenzo Unified School District has been identified under California's accountability system for intensive state support due to persistent performance disparities for specific student groups, including students with IEPs, African American students, English learners, and Pacific Islander students. WestEd and the Alameda County Office of Education conducted a Systemic Instructional Review during 2023-24 to guide district-wide improvement, signaling that the district is under active reform focused on instruction.

The school sits in a community built around owner-occupied single-family homes with walkable village core retail and civic amenities. Housing values in the 94580 zip are substantial, reflecting strong East Bay demand and tight inventory. Families renting in the area pay a meaningful share of income to housing. San Lorenzo's recent growth has come through infill multifamily development along the Hesperian Boulevard corridor, including new affordable senior housing. The Alameda County Library branch, recently expanded, anchors the San Lorenzo Village core near shopping centers. AC Transit provides bus service to BART stations outside the community. In November 2024, voters approved a significant bond to modernize aging school facilities, most more than four decades old, with estimated annual property tax impact. The district also shifted to by-trustee-area board elections in 2024, a permanent change in how board representation works.

Hesperian is a regular neighborhood school in a diverse, mostly owner-occupied residential community with strong local identity and ongoing engagement with new housing. The academic performance data, however, reflects substantial instructional challenges that the district is actively attempting to address through its participation in state accountability improvement work.

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Academic performance

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

Math

Grade 311%

School 11% · District 32% · ▼ 21 pts below district

▼ 32 pts below state median · ▼ 44 pts below county median

Grade 414%

School 14% · District 31% · ▼ 16 pts below district

▼ 23 pts below state median · ▼ 36 pts below county median

Grade 57%

School 7% · District 20% · ▼ 13 pts below district

▼ 23 pts below state median · ▼ 35 pts below county median

English language arts

Grade 36%

School 6% · District 26% · ▼ 20 pts below district

▼ 35 pts below state median · ▼ 44 pts below county median

Grade 415%

School 15% · District 26% · ▼ 11 pts below district

▼ 27 pts below state median · ▼ 39 pts below county median

Grade 516%

School 16% · District 28% · ▼ 11 pts below district

▼ 29 pts below state median · ▼ 41 pts below county median

Science

Grade 59%

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

▼ 19 pts below state median · ▼ 31 pts below county median

This schoolSan Lorenzo 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.

Proficiency by household income

English language arts

Grade 5Lower-income14%Higher-income27%13 pp gap

Mathematics

Grade 5Lower-income7%Higher-income9%2 pp gap