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Interlake High School is a comprehensive four-year public high school enrolling 1588 students in grades nine through twelve. The school opened in the fall of 1967 and graduated its first senior class in the spring of 1969. Interlake is accredited by the Northwest Association of Schools and Colleges and the Office of the Superintendent of Public Instruction.

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Interlake Guiding Principles

These core values, which incorporate elements of the IB Learner Profile serve as guiding principles for the Interlake community. These core values are periodically reintroduced and reinforced to Interlake students at school wide assemblies and in all school lessons on expectations.


All members of the Interlake community are principled; we operate in an environment that supports truth, respect, and honor. Members of the Interlake community take ownership of their work and for their actions, even when it is inconvenient to do so.


All members of the Interlake community treat others as they would like to be treated. Students and staff inspire each other through selfless actions, empathy, compassion, and kindness. Students and staff remain focused on developing into caring, balanced, and open-minded global citizens.


All members of the Interlake community believe that scholarship is an internal desire to know more developed through collaborative and independent learning. Interlake students show perseverance when challenged with rigorous coursework appropriate to their unique abilities.  All Interlake programs empower students to be life-long learners.