Montesano Jr-Sr High

Located at 303 North Church, in Montesano, Washington, Montesano Jr-Sr High is a medium-sized high school that educates 698 students (grades 7 through 12), operated by Montesano School District. Enrollment runs roughly 22% bigger than the state mean of about 573.

Within Montesano School District, which oversees 3 schools and 1,433 students, Montesano Jr-Sr High is one campus in the system.

On demographics, Montesano Jr-Sr High records that the largest single group is White, at 78% of enrollment. Other groups include 12% Hispanic, 7% multiracial. That mix tracks the wider county fairly closely.

In terms of school funding signals, Staff filings list 34 full-time-equivalent teachers, which works out to roughly 20.5:1 students per teacher. Statewide, the average ratio sits near 21.6:1, putting Montesano Jr-Sr High tighter than the state norm the norm. An estimated 38% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, Grays Harbor County runs at roughly 65%, so the school's eligibility rate is lower than the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, Montesano Jr-Sr High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 54.6%, the actual is 49.3%, a residual of -5.3 points.

Across the wider county, Grays Harbor County reports that median household income runs about $64,414, roughly 18% of adults have completed at least a four-year degree, and roughly 10% of residents live below the federal poverty line. Montesano Jr-Sr High is one of 46 public schools in Grays Harbor County (combined enrollment of about 10,564 students).

Nearest neighbor: Simpson Avenue Elementary, around 0.4 miles off. Within five miles, there are 3 other public schools. Among the 7 schools in that immediate cluster with test data (this one included), Montesano Jr-Sr High ranks 3rd on composite proficiency, above the local average of 48.6%.

The campus sits in a town-based setting.

Trend over the last 7 years. Over the past 7-year window, the student count edged up 6%: 658 students in 2018 compared to 698 in 2025.

Within the allk12 community for this school, the feed for Montesano Jr-Sr High typically covers school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.