The School Where
Tradition Meets Innovation
In-person and live online classes together — a global classroom without borders.
Founded in Tradition
Since 1994, SIS has guided students toward success with a strong academic foundation and a legacy of excellence in American education.
Countries of Origin
Students from more than 16 countries have studied at SIS, creating a truly global community of learners both on In-Person and Teacher-led live online.
Graduates Worldwide
Over 4,000 SIS graduates have continued their studies at universities across the U.S., Asia, and beyond — building futures without borders.
AP & College Credit Courses
SIS offers 36 Advanced Placement(AP) courses and 11 college-level courses, giving students a competitive edge in earning credits and preparing for top universities.
University Admission
Since 1994, SIS has achieved a 100% admission rate to four-year universities, with graduates accepted to leading institutions in the U.S., U.K., Canada, Singapore, and beyond.
Average Graduate GPA
SIS graduates consistently achieve GPAs between 3.6 and 4.0, reflecting strong academic performance and preparation for university success.
Our Classroom: In Person & Teacher-Led Live Online
Experience a classroom without boundaries — where traditional in-person learning meets live,
teacher-led online classes.
Full-Time & Part-Time: Bellevue Campus students can enroll as a Full time or Part time student.
Daily Engagement: Homework, assignments, and projects completed with teachers every day.
Academic Support: Weekly GPA monitoring, course selection guidance, and personalized feedback.
Re-do & Retake System: Re-learn by redoing assignments or retaking courses to raise GPA.
Earn U.S. High School Diploma and transcript in Student’s country: Students can earn an Official U.S. high school diploma and transcript without leaving their country or family.
Accredited & Established: SIS is not a recording-based online school — it is a state-approved private school in Washington, fully accredited by Cognia, with 31 years of tradition and excellence.
Bellevue Campus (Main Campus, USA)
Located in Bellevue, Washington
accredited by the State of Washington and Cognia
Offers Full-Time & Part-Time enrollment, with I-20 issuance for international students
31 years of tradition, academic excellence, and a 100% university admission record
SIS connects students worldwide through its hybrid learning model. While our classrooms reach across the globe, our main campus is located in Bellevue, Washington, with an additional campus in Hanoi, Vietnam.
Our Campuses: Global Presence, Local Campuses
🇻🇳 Hanoi Campus (Vietnam)
Located at Đoàn Thị Điểm School in Hanoi
Accredited by the Vietnam Ministry of Education and Cognia
Offers the U.S. curriculum
Enables Vietnamese students to join SIS’s global classroom while staying in their home country
Builds direct pathways to U.S. universities and international opportunities
