College of Staten Island International
PS 48M — Staten Island, NYC
A globally minded, locally rooted high school where every student thrives in a diverse, rigorous, and supportive community.
Grades 9–12 • 100% graduation rate • A hub for cultural exchange and academic achievement.
Principal Search
We're interviewing candidates for our next principal and welcome community input. Learn about the process →
About Our School
Where every student discovers their global voice.
Founded in 2005, College of Staten Island High School for International Studies serves grades 9–12 with a mission to cultivate global citizens through rigorous academics, cultural exchange, and real-world engagement. Our signature programs—including College Now partnerships and Advanced Placement courses—prepare students for success in college and beyond.
At CSIHSIS, we believe education extends beyond the classroom. From 20+ extracurricular activities to community service initiatives, students develop leadership, empathy, and a deep appreciation for diverse perspectives—all within a nurturing, inclusive environment.
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Ratio
Activities
What We Offer
Our Programs
Preparing students to thrive in a connected world.
Global Studies & Diplomacy
Explore world cultures, languages, and international relations through coursework, Model UN, and exchange programs. Students graduate with a nuanced understanding of global issues and the skills to address them.
ExploreCollege Now
Earn college credits while still in high school through our partnership with the College of Staten Island. Open to juniors and seniors, this program accelerates academic growth and reduces college costs.
Learn MoreAdvanced Placement & Honors
Challenge yourself with AP and honors courses designed to push intellectual boundaries. Our 91% science proficiency rate reflects our commitment to academic excellence and college readiness.
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Upcoming Events
School events, PTA meetings, and important dates — all in one place.
A live events calendar, right here.
Your Google Calendar syncs straight into the site — tours, PTA meetings, and key dates update automatically, no re-typing. We wire this up when you come aboard.
Invest in our
children's future.
Your donation funds arts programs, teaching assistants, and school trips. Every dollar makes a difference for our students.