Steindorf Steam K-8 Magnet, San Jose CA

Original Research by School Decision on Steindorf Steam K-8 Magnet

Steindorf STEAM K-8 Magnet is a regular public school serving early grades through middle school in the east side of San Jose, near the Almaden Valley area. The school's magnet designation points to a focus on science, technology, engineering, arts, and math, though the narrative around that program is not detailed in available sources.

The school's academic performance across state assessments is strong. In English language arts, students show proficiency rates ranging from the low to mid-seventies in the upper elementary and middle grades, with seventh graders performing notably higher, near the high eighties. Math proficiency is generally stronger, clustering in the low to mid-eighties across most grades, with third graders reaching the low nineties and sixth graders dipping to around seventy percent. Science proficiency, tested at fifth and eighth grade, runs in the mid-to-high seventies. Across all tested subjects and grades combined, the school's overall proficiency index places it in the top quartile among the county's schools with state testing data, a meaningful marker of academic standing relative to its peers.

The enrollment is modest—just under five hundred students across nine grades. The student body is notably affluent and academically oriented. Only a small share of students qualify for free or reduced-price lunch, and the racial composition skews toward Asian and white students, with smaller shares of Hispanic and multiracial students and very few Black or Native American students. English learner and special education enrollment figures are not available in the data.

San Jose is a sprawling, car-oriented city with pockets of walkability downtown and in older neighborhood centers like Willow Glen and Japantown, but most residential areas, including this school's zone, are suburban in character. The housing market in the school's zip code is extremely expensive, with median home values well above the state benchmark and monthly rent among the highest in the region. This is consistent with San Jose's status as the heart of Silicon Valley and its tech-driven economy, where large employers like Cisco, Apple, Google, and Intel dominate. For a family considering this school, the economic barrier to entry is substantial.

The broader Cambrian School District, which operates Steindorf, has recently placed significant infrastructure investments before voters. In 2020, voters approved a general obligation bond to repair aging classrooms, science labs, and building systems, a levy that will remain on property tax bills for many years. In November 2024, the district continued its parcel tax on property owners to fund core programs in math, science, engineering, technology, reading, music, and the arts, and to support teacher retention. These ongoing local tax measures reflect deliberate voter choices to fund programs and facilities but add ongoing costs to property ownership in the district.

The school itself offers a STEAM focus, suggesting an intentional curriculum design around these disciplines, which aligns with its magnet designation. For families seeking a strong elementary-to-middle pathway with above-average test results and a structured approach to STEM subjects, Steindorf presents a coherent option. The trade-offs are the extreme housing costs in this area of San Jose and the student body composition, which skews toward already-advantaged families and may not reflect the diversity of the broader Bay Area.

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Academic performance

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

Math

Grade 394%

School 94% · District 67% · ▲ 27 pts above district

▲ 51 pts above state median · ▲ 37 pts above county median

Grade 482%

School 82% · District 64% · ▲ 18 pts above district

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

Grade 586%

School 86% · District 65% · ▲ 21 pts above district

▲ 56 pts above state median · ▲ 39 pts above county median

Grade 670%

School 70% · District 60% · ▲ 9 pts above district

▲ 39 pts above state median · ▲ 24 pts above county median

Grade 790%

School 90% · District 64% · ▲ 26 pts above district

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

Grade 883%

School 83% · District 63% · ▲ 20 pts above district

▲ 55 pts above state median · ▲ 44 pts above county median

English language arts

Grade 381%

School 81% · District 57% · ▲ 25 pts above district

▲ 41 pts above state median · ▲ 29 pts above county median

Grade 477%

School 77% · District 63% · ▲ 14 pts above district

▲ 35 pts above state median · ▲ 21 pts above county median

Grade 583%

School 83% · District 73% · ▲ 11 pts above district

▲ 38 pts above state median · ▲ 26 pts above county median

Grade 678%

School 78% · District 72% · ▲ 7 pts above district

▲ 34 pts above state median · ▲ 20 pts above county median

Grade 790%

School 90% · District 76% · ▲ 14 pts above district

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

Grade 878%

School 78% · District 69% · ▲ 10 pts above district

▲ 34 pts above state median · ▲ 25 pts above county median

Science

Grade 578%

School 78% · District 59% · ▲ 19 pts above district

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

Grade 877%

School 77% · District 60% · ▲ 17 pts above district

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

This schoolCambrian, 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.