Best High Schools in Zip Code 99301

ZIP code 99301 in the Pasco area is served by four high-school-level programs: Chiawana Senior High School, Pasco Senior High School, Ugrad ESD123 Re-Engagement Program, and New Horizons High School. They serve grades 6–12 overall, with the traditional high schools primarily serving grades 9–12, and together enroll about 6,414 students. Most students attend the two large comprehensive schools in the Pasco School District.

Chiawana Senior High School has the strongest overall results. It ranks in the 32nd percentile statewide, compared with the 5th percentile for Pasco Senior High School and the 0th percentile for New Horizons High School. It also reports the highest graduation rate, at 92.8%, the lowest dropout rate, at 3.7%, and the best 2025–2026 results in English language arts, math, and science. Its main challenge is math, where 21.89% of students were proficient, well below the statewide rate of 43.11%, although results improved from the prior year.

Pasco Senior High School has a graduation rate near the state average but weaker recent academic results, including only 9.56% math proficiency and declines in all three tested subjects. Its dropout rate, 11.8%, is above both district and state levels. New Horizons High School reports the most challenging outcomes, including a 30% graduation rate and 24.4% dropout rate, while also serving a high-need student population and a distinct grade span of 6–12. The math result is suppressed and should not be treated as zero. Ugrad ESD123 Re-Engagement Program is a specialized program with too little reported data for a meaningful performance comparison.