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

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

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Structural Steel Goes Up at New Pacific Middle School

Structural Steel Goes Up at New Pacific Middle School
Construction worker smiling in front of structural steel going up.

The new Pacific Middle School building is rising as structural steel outlines its shape.

A tall crane is installing steel columns, beams and floor decking for the main gym, auxiliary gym and classroom wing. Crews erected the first steel beams in mid-December.

The classroom wing will run along South 227th Place on the south side of the site. The gym is located in the northwest area of the site. The main entrance is not visible yet but will face east toward South 227th Place.

Crews continue pouring concrete slabs, moving east toward 24th Avenue South. The first concrete slab for a second-floor metal deck was poured this week. It will become the base of the second-floor auxiliary gym.

Crews have completed 70 of the project’s 146 geothermal wells, each drilled 350 feet deep. Work continues underground on the mechanical and electrical rooms, as well as the manifold that will connect the geothermal loop to the ground-source heat pump and HVAC system. This system will provide energy-efficient heating and cooling.

Next: Exterior wall framing is expected to begin in February.

This voter-approved 2022 bond project is on time and on budget.

Building under construction as a tall crane lowers a steel beam.

 

Pieces of steel beams lowering to construction of school

 

School construction site.

 

Drilling geothermal wells, yellow stormwater system parts in back.

 

Aerial Photo of Pacific construction site in January.

Aerial photo, January 13, 2026, looking southwest across the Pacific Middle School construction site.

 


See more photos in our Facebook post, January 28, 2026.