The top reported proficiency rate is 92% in Math. The lowest is 89% in Science.
Original Research by School Decision on Wagner Ranch Elementary
Wagner Ranch Elementary is a small public school in Orinda serving kindergarten through fifth grade. The school sits in an affluent, family-oriented residential community northeast of San Francisco in the tree-covered hills of Contra Costa County. Orinda itself reads as a quiet, suburban enclave rather than an urban neighborhood, organized around residential hilltop streets and a compact, walkable downtown anchored by a BART station. Housing values are high, and the median household income reflects a prosperous community, though housing affordability relative to local incomes is notably strained.
The school's academic performance stands out. In the most recent state testing data available, students across the tested grades scored in the high range in both English language arts and mathematics, with proficiency rates consistently in the upper portions for both subjects. In fifth grade English language arts proficiency was particularly strong. Science proficiency in fifth grade also showed solid results. Across the measured subjects, Wagner Ranch's overall proficiency index places it in the top quartile among districts across Contra Costa County. The school has only one year of state assessment data on file, so trends cannot yet be assessed.
The student population is roughly small for an elementary school of its grade band. The enrollment is predominantly white and Asian, with a meaningful share of multiracial students and smaller representation of Hispanic students; Black students and other groups are very small in number. Free and reduced price lunch eligibility is minimal, consistent with the affluent character of the community. Data on special education enrollment and English learner populations were not available.
The Orinda Union School District, Wagner Ranch's parent district, has invested in teacher recruitment and retention through voter-approved local parcel taxes. In March 2023, voters approved Measure Z, a parcel tax that provides additional locally controlled funding for core academics in STEM, reading, writing, arts, and music, supplementing existing parcel taxes. This reflects a community and district commitment to academic depth and teacher quality. The measure expires in several years and requires voter renewal. Property owners pay these taxes, and families relocating to Orinda factor this into housing decisions.
Orinda itself is experiencing significant growth pressure. The city recently faced much higher state housing mandates and has approved or completed several multifamily projects, including a master-planned subdivision at the city's southern edge and townhome and senior housing developments closer to downtown and BART. The city's Housing Element now allows substantially more units than prior years, and in late 2025 the City Council rezoned downtown sites for mixed-use and residential development. This growth is reshaping a town that historically expanded slowly. Whether and how this will affect the school's enrollment, student composition, and local character over coming years remains to be seen.
Wagner Ranch serves the kind of family and community that prioritizes academic outcomes and has the resources to support them, both through school funding and home environments. The school's high test results, small size, and homogeneous and affluent student body align with each other. Parents considering this school should understand it as a strong-performing elementary program in a prosperous suburb that is itself in the midst of significant development and demographic change.
See more original research from School Decision →