Summary:
ZIP code 98126 has one middle school serving grades 6–8: David T. Denny International Middle School. Located in southwest Seattle, the school enrolls 722 students and is part of Seattle School District No. 1. With no other middle schools in the ZIP code for comparison, the most useful information comes from the school’s performance over time and its results compared with district and statewide averages.
David T. Denny has shown encouraging recent progress. Its ranking rose from the 36th percentile in 2023–2024 to the 58th percentile in 2025–2026, and its rating increased from two stars to three. Test scores also improved between 2024–2025 and 2025–2026: English language arts increased from 47.13% to 51.19% proficient, math rose from 35.63% to 38.97%, and science made the largest gain, increasing from 32.62% to 44.34%. English language arts is the school’s strongest overall subject. Seventh- and eighth-grade ELA results exceeded statewide averages, and eighth-grade math also slightly exceeded the state result. Sixth grade had the lowest ELA and math proficiency rates, while performance generally improved in the upper grades.
Parents should also note that the school remains well below district averages in every reported subject: the gaps are about 17 points in ELA, 21 points in math, and 21 points in science. Compared with Washington overall, however, the differences are smaller—1.62 points lower in ELA, 4.14 points lower in math, and 6.61 points lower in science. The school has a 16.1-to-1 student-teacher ratio, and 58.31% of students qualified for free or reduced-price lunch in 2024–2025, indicating a substantial level of economic need in the student population. Overall, David T. Denny appears to be improving, with particular momentum in science and ranking, while math and sixth-grade performance remain important areas to watch.
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