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Highline Public Schools
15675 Ambaum Blvd. SW Burien,WA 98166

Office Hours:

Monday-Friday: 7:30 a.m. - 4:30 p.m.

High School Schedule Change

Highline will switch from a semester system with a six-period day to a trimester system with a five-period day, starting in fall 2020.

Washington State has updated requirements for high school graduation. The new Career- and College-Ready Graduation Requirements (also known as Core 24) increase the number of high school credits needed to graduate.

Starting with the class of 2021, Highline students will need to earn a minimum of 24 credits to graduate. (If you plan to graduate before 2021, please check our graduation requirements page to see the graduation requirements that apply to you.)

Our current six-period course schedule gives students limited opportunity to earn all the credits needed to graduate on time. 

A committee of staff, parents and district leaders completed a two year process of researching school schedule options and gathering feedback from staff, students and families. After careful consideration, Highline will switch from a semester system with a six-period day to a trimester system with a five-period day, starting in fall 2020.

This change will help our students graduate prepared for the future they choose, be that college, technical training or a career.