Nikiski High School is a public high school in the Kenai Peninsula Borough School District located in Nikiski, Alaska.

The school population is approximately 400 students in grades 6-12 and it is classified as a 3A school by the Alaska School Activities Association.

Nikiski High School offers football, volleyball, cross-country, wrestling, basketball, soccer, baseball, cross-country skiing, track and field, dance troupe, and DDF (drama, debate, and forensics).

The football team were state champions in 2011.

This Alaska school-related article is a stub.