Peninsula High School

Set in Gig Harbor, Washington, Peninsula High School is a substantial high school, one of the schools within Peninsula School District. It instructs 1,345 students across grades 9 through 12. That puts it 135% bigger than the typical public school in Washington, which averages around 573 students.

Within Peninsula School District, which oversees 17 schools and 9,015 students, Peninsula High School is one campus in the system.

Demographically, Peninsula High School logs that 72% of the student body identifies as White. The remainder consists of 12% multiracial, 12% Hispanic, 2% Asian.

Looking at the economic backdrop, Peninsula High School reports 63 full-time-equivalent teachers, putting the student-to-teacher ratio at about 21.2:1. That tracks the state average closely. An estimated 26% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is noticeably below Pierce County's rate of about 50%.

On a demographically-adjusted basis, Peninsula High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 62.7%, the actual is 52.1%, a residual of -10.6 points.

Zooming out to the county, the surrounding county (Pierce County) reports that the typical household earns roughly $99,564 per year, about 31% of the adult population holds a bachelor's degree or above, and roughly 6% of residents live below the federal poverty line. In all, Pierce County runs 287 public schools (combined enrollment of about 138,462 students), of which Peninsula High School is one.

The closest other public school is Purdy Elementary School, roughly 0.2 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Peninsula High School at 8th of 8; the average score across the group is 62.3%.

The school occupies a residential site.

Five-year trend. Looking back 7 years, enrollment at Peninsula High School has fell 4%, going from 1,406 students in 2018 to 1,345 in 2025. The White share of enrollment ticked down from 80% to 72% over that span. Class-load math has narrowed: from 22.3:1 in 2018 to 21.2:1 in 2025.

Within the allk12 community for this school, the feed for Peninsula High School typically covers open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.