Our History

1994 – Edmonds, WA

First SIS Campus Opened (Grades 9–12)

SIS began its journey with a vision to prepare both local and international students for top universities through rigorous academics, strong mentorship, and a truly global learning environment.

1997 – Edmonds, WA

Expansion to Middle School (Grades 7–8)

The school added middle school grades, creating a continuous pathway from Grade 7 through Grade 12.

2001 – Edmonds, WA

Residential Dormitory Established

SIS opened its first dormitory, welcoming more international students and building a global learning community.

2025 – Bellevue, WA

Complete K–12 Pathway

SIS completed its full K–12 U.S. education offering by adding elementary-level online courses, making American education accessible from anywhere.

A residential building viewed from a wooden balcony with trees in the yard, some with pink blossoms and others with green needles.

A young woman in a red shirt and glasses is talking to an older man with glasses, wearing a blue checkered shirt, inside a school hallway. Several students are seated in the background, and some are walking or talking, with the school bulletin boards on the wall.

Group of five kids sitting at a table in a school cafeteria, smiling and making peace signs. They have plates with food, drinks, and snacks. A large school emblem reading 'Solomon International School' is in the background.

Empty school cafeteria with round tables and red seats, gray walls, and multiple ceiling lights.

Aerial view of a cityscape featuring commercial and residential buildings, parking lots, and tree-lined streets during daytime.

A young boy wearing headphones and a striped shirt sits at a desk, looking at a computer screen in a classroom setting.

Empty classroom with desks and chairs arranged in rows, a woman arranging items on a desk near a bookshelf, whiteboard with writing on it, and educational posters on the walls.

An indoor school hallway with several bulletin boards on the walls, a carpeted floor, and doors leading to rooms. The hallway ends with glass double doors with an exit sign above.

A college dorm room with a wooden desk, a loft bed with a black metal frame, a wooden chair with a patterned pillow, a white rug, and various personal items on the desk. The wall behind the desk has a clock, three hats, a globe, a water bottle, a laptop, and a small lamp.

2017 – Everett, WA

Second SIS Campus Launched

A new campus in Everett expanded SIS’s academic excellence and opportunities for both local and international Students.

2019 – Irvine, CA

100% Online Only Campus Founded

SIS embraced digital learning, creating a fully online campus so students worldwide could access U.S. education without borders.

2021 – Bellevue, WA

Hybrid Campus Established

SIS opened its Bellevue hybrid campus, combining In-Person and Teacher-Led live online classes into one seamless model for a global generation.

Bright, modern cafe with large windows and outdoor view of palm trees, featuring seating areas with people working and chatting, pendant lights, indoor plants, and contemporary decor.

Modern lounge area with a large navy sofa, gray armchairs, wooden coffee table, and decorative pillows. The space features a wooden accent wall with small framed artwork, a potted plant, and a gray rug.

Exterior of a modern building with glass doors and windows, parked cars along the sidewalk, and trees in the background.

Three young people celebrating and holding a second-place award at a conference, wearing medals and smiling

“From its beginnings in Edmonds to today’s hybrid model in Bellevue, SIS has continuously evolved to meet the needs of global learners. For over three decades, SIS has combined tradition and innovation, guiding students from more than 16+countries toward success at leading universities worldwide.”

Discover how SIS

can open doors for you

U.S. Department of Homeland Security seal featuring an eagle with spread wings holding an olive branch and arrows, with a shield on its chest.