Transforming Tyee High School for Tomorrow's Students
Construction is in full swing for your new Tyee High School in SeaTac. Discover the latest updates and take a look at our October site photos showing significant progress across all areas of the new school facility.
We are within budget and on schedule to welcome students in September 2025.
October 2024: View from third floor of the new Tyee High School, looking south across the central courtyard toward the library and administration building, with Mount Rainier in the distance.
Map depicting construction zones A1, A2, B, Gym, C2, C1, and D, counterclockwise, from top right.
Construction Zone Map
The construction zones referred to in the construction progress report correspond to these general building spaces on the map:
- Areas A1 and A2 together are the L-shaped classroom wing.
- Area B includes locker rooms, student store, marketing and health sciences classrooms, fitness center, auxiliary gym and activities rooms, plus an extra wide learning stair that connects the first and second floors.
- Gym is the main gym.
- Area C2 is the commons/dining area, food services, plus arts and career & technical education classrooms.
- Area C1 is the flexible performance space.
- Area D contains administrative offices and the library.
Construction Progress
- Exterior brick veneer installation continues in area A2.
- The curtain wall system is being installed in Building D.
- Exterior framing for areas B and C2 through mid-October.
- Mechanical, electrical, and plumbing systems are being roughed in for all levels of area A1.
- Insulation and drywall are installed in area A1, level 1.
- Metal roofing has been installed at area C1.
- Mass timber roof decking has been installed at area C2.
- Stormwater chamber trenching and installation started on the north.
Next Steps
- Frontage work along South 188th Street, including the installation of a rockery wall.
- Continue installation of the stormwater chamber system at the bus loop area.
- Continue to install exterior brick veneer in areas A1 and A2.
- Overhead mechanical, electrical, plumbing work proceed in area B2.
- Insulation and drywall installation progressing to level 2 of area A1 and A2.
- Roof drying procedures will be conducted for all buildings, weatherproofing for interior work.
Photos
Check out our gallery of October site photos that showcase these exciting developments and more.
Early October 2024: View of new central courtyard looking north/northeast toward the L-shaped classroom wing of the new Tyee High School. The commons and gym spaces are on the left. The library and administrative offices are not visible on the right.
Late October 2024: Scaffolding going up to help crews install brick veneer on the classroom wing of the new Tyee. Same view as photo above, but closer up.
Early October 2024: Aerial photograph of the Tyee school construction site, looking north/northwest. The L-shaped classroom wing is in the top right corner of the photo.
Early October 2024: Aerial photograph of the Tyee construction site. The flexible performance space is at the bottom, left corner of the photo. The L-shaped classroom wing is at the top, left corner. South 188th Street is at the right in the photo.
October 2024: View of learning stair (area B), just north of the commons (area C2). Looking east across the central courtyard, part of the classroom wing (area A2) is visible at the center of the photo. The library and administrative office space (area D) is visible on the right.
October 2024: View of east side of the classroom wing (area A2), with brick veneer being installed at the new Tyee High School.
October 2024: View of salvaged, glued-laminated (glu-lam) timber beams from original Tyee school installed as the roof decking above the new library space (in area D).
October 2024: Installing insulation (left) and installing metal roofing (right).
October 2024: Mass timber roof decking (left), and excavation for deep stormwater detention chambers (right).
October 2024: View of main gym under construction.
October 2024: View of the flexible performance space (area C1), with brick veneer and window framing installed.