The top reported proficiency rate is 83% in Math. The lowest is 81% in Science.
Original Research by School Decision on Rachel Carson Elementary
RachelCarson Elementary is a regular public school in northern Sammamish serving students from prekindergarten through fifth grade as part of the Lake Washington School District. The school operates on a single campus in a residential part of the plateau city east of Seattle. Because it serves only elementary grades, there is no graduation rate to report, and state testing data is available only for grades three through five, which is typical for this grade band.
On the 2024-25 Washington state assessments, Rachel Carson posted results that place its overall proficiency index in the top quartile when measured against other elementary schools within King County. Across the tested grades, the share of students meeting proficiency standards was high in both English language arts and mathematics, with particularly strong results in fourth-grade math. Fifth-grade science proficiency was also well above typical levels for the county. The school’s performance across subjects is a clear strength, consistent with the area’s broader pattern of high academic attainment.
The student body is small for a K-5 school, with enrollment in the low hundreds. Racially and ethnically, the composition is predominantly Asian and white, with a much smaller share of students identifying as two or more races, a slender Hispanic presence, and very few Black or Native American students. A very small share of students qualify for free or reduced-price lunch, which signals that the school serves a largely affluent population. Data on special education identification and English learner status was not available in the source materials, so a parent may want to ask the school directly about the resources available in those areas.
Sammamish itself is a wealthy, predominantly residential suburb that grew rapidly from the 1970s onward and incorporated in the 1990s. The city has no traditional downtown; civic life is distributed among parks, the Sammamish Commons complex, and a network of strip shopping centers. The local housing market reflects the area’s affluence: home values in the zip code are well above both state and national benchmarks, though they have seen a modest retreat from recent peaks. Rents are also high. The typical commute to work is long, and the city functions largely as a bedroom community for Seattle, Redmond, and Bellevue. For families buying or renting in this area, housing costs are a major factor, and the school is a straightforward neighborhood option within that environment.
Rachel Carson sits within the Lake Washington School District, which covers the northern part of Sammamish as well as several other eastside communities. The district’s publicly reported profile is stable; the research process did not identify recent major referendums, boundary shifts, or curriculum changes, so a parent looking for specific developments may want to check the district’s own communications.
Because the school does not serve older grades, there is no information on high school course offerings, career and technical education, or graduation pathways. The academic picture for elementary grades is strong, and the peer environment reflects a highly resourced community with few students facing economic disadvantage. Parents weighing this school should consider whether the student body’s composition aligns with their priorities, and whether the high housing costs in the attendance zone are manageable. The available data consistently points to a school that delivers above-average outcomes within an already high-performing county context.
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