Community prompt from u/allk12. Replies below.
Horizon Elementary
Test scores
Smarter Balanced + WCAS 2024-25 . % Met or Exceeded StandardWhat this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 21 of every 100 students at this school read and write at grade level and about 22 of 100 do math at grade level. Across all Washington schools, those numbers are about 58 and 51. Reading and writing scores are down about 21 points since 2014, while math scores are down about 18 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 23% of students here test proficient in math and reading, compared with the roughly 30% typical for Washington schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Washington's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Horizon Elementary
Horizon Elementary, a medium-sized K-5 school in Everett, Washington, one of the schools within Mukilteo School District, serves 550 students, covering grades K through 5. Compared to the state average of about 380 students per school, that is 45% bigger than typical.
Mukilteo School District runs 23 schools in total, collectively educating 15,175 students. Horizon Elementary is one of those campuses.
On demographics, Horizon Elementary shows that Hispanic students make up the majority at 58%. Other groups include 15% White, 8% Pacific Islander, 7% Asian, 6% Black. The wider county runs roughly 12% Hispanic, putting the school's mix visibly more Hispanic than the area baseline.
Looking at school resources, Horizon Elementary lists 39 full-time-equivalent teachers, putting the student-to-teacher ratio at about 14.3:1. Statewide, the average ratio sits near 17.3:1, putting Horizon Elementary tighter than the state norm the norm. Roughly 75% of students at Horizon Elementary qualify for free or reduced-price lunch, often used as a Title I proxy. That share is north of Snohomish County's rate of about 41%.
On a residual basis (actual vs predicted given the student mix), Horizon Elementary tracks the demographic baseline. The model predicts 30.2% given the school's FRL share; actual proficiency is 23.3%.
Around the school, Snohomish County reports that median household income runs about $111,246, 38% of adults hold a bachelor's degree or higher, and roughly 6% of residents live below the federal poverty line. Across Snohomish County's 227 public schools (combined enrollment of about 118,688 students), Horizon Elementary is one campus in the mix.
The closest other public school is Emerson Elementary School, roughly 0.6 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 6 schools in that immediate cluster with test data (this one included), Horizon Elementary ranks 6th on composite proficiency, beneath the local average of 38.9%.
Horizon Elementary operates from a high-density location.
Trend over the last 7 years. Looking back 7 years, enrollment at Horizon Elementary has ticked down 22%, going from 703 students in 2018 to 550 in 2025. White enrollment moved from 22% to 15% across the same window.
Within the allk12 community for this school, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.
Snohomish County at a glance
View full county profileQuick facts
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