Newcastle Elementary School

Newcastle Elementary School is a reasonably sized elementary-level community in Newcastle, Washington, part of Issaquah School District. The school educates 451 students in grades pre-K through 5.

Within Issaquah School District, which oversees 30 schools and 19,098 students, Newcastle Elementary School is one campus in the system.

In terms of who attends, Newcastle Elementary School lists that the most-represented group is Asian (41%), with the rest of the student body spread across multiple groups; the rest comes out to 26% White, 16% Hispanic, 12% multiracial, 5% Black. That is visibly more Asian than the county at large, where the share is closer to 21%.

In terms of school funding signals, The school employs 29 full-time-equivalent teachers, for a student-teacher ratio near 15.6:1. Statewide, the average ratio sits near 17.3:1, putting Newcastle Elementary School tighter than the state norm the norm. Roughly 22% of students at Newcastle Elementary School qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against King County (around 38%), the school's rate is somewhat below typical.

After controlling for student poverty, Newcastle Elementary School ranks in the top 10% of Washington public schools. The BeatsExpectations model, a per-state regression of composite proficiency on FRL share, predicts schools with this student profile to land around 65.6%; Newcastle Elementary School posts 79.7%, +14.1 points above that line.

In the area at large, census data for King County shows the typical household earns roughly $124,746 per year, about 57% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 5%. In all, King County runs 544 public schools (combined enrollment of about 278,492 students), of which Newcastle Elementary School is one.

Nearest neighbor: Sierra Heights Elementary School, around 0.9 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Newcastle Elementary School at 1st of 8; the average score across the group is 50.2%.

Geographically, the school is in a residential area.

Trend over the last 7 years. Newcastle Elementary School's enrollment has decreased 29% since 2018, when it stood at 634 (now 451). The White share of enrollment shrank from 43% to 26% over that span. Class-load math has narrowed: from 18.1:1 in 2018 to 15.6:1 in 2025.

On this page, the page collects discussion, questions, and updates around classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.