Southridge High School

Southridge High School is one of the big high schools in KENNEWICK, Washington, run under Kennewick School District, with 1,612 students on its rolls from grades 9 through 12. That puts it 181% above the typical public school in Washington, which averages around 573 students.

Within Kennewick School District, which oversees 31 schools and 18,826 students, Southridge High School is one campus in the system.

On the student-mix side, Southridge High School records that 49% of students identify as White, with the remaining enrollment distributed across several groups. The remainder consists of 40% Hispanic, 6% multiracial, 2% Asian. That is considerably less White than the county at large, where the share is closer to 70%.

On the income-and-resources front, Staff filings list 65 full-time-equivalent teachers, which works out to roughly 24.9:1 students per teacher. Statewide, the average ratio sits near 21.6:1, putting Southridge High School higher than the state norm the norm. Roughly 53% of students at Southridge High School qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

Across the wider county, community-level numbers for Benton County indicate median household income runs about $89,874, roughly 33% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 8%. In all, Benton County runs 69 public schools (combined enrollment of about 38,191 students), of which Southridge High School is one.

The closest other public school is Chinook Middle School, roughly 0.6 miles away. Within five miles, there are 8 other public schools.

Geographically, the school is in an urban area.

Five-year trend. Over the past 7-year window, the student count shrank 6%: 1,710 students in 2018 compared to 1,612 in 2025. Over the same period, the White share shrank from 58% to 49%. Class-load math has grew: from 23.0:1 in 2018 to 24.9:1 in 2025.

On the community side, recent activity here tends to focus on enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.