Open House

We use cookies to improve your online experience. To learn more please refer to ourPersonal Information Collection Statement.

Sorry but this form will not work without cookies enabled. Please adjust your browser settings to enable cookies to continue. For more information on how to do this please see ourPersonal Information Collection Statement.

  • Highest Quality Learning

    Our personalized approach engages and challenges students, empowering them to reach their highest potential.

    High Quality Learning

  • Join Us

    We welcome you to join our vibrant, international community of learners.


  • Ask Us Anything

    Speaking directly with us is the best way to get your questions answered quickly. We look forward to hearing from you.

    Early Years Learning

  • Exceptional Teachers

    Our highly qualified, energetic and experienced staff is focused on developing children's unique learning styles.

    BISC-SL Teacher

  • Our Unique School Day

    BISC-SL students love coming to school, the day is always inspiring.

    Be Ambitious!

  • Join Our Family

    We welcome you to our BISC-SL community. From day one, you and your child will feel at home with us.

    BISC-SL Community

  • Go, Bulldogs!

    Our varied athletics programming fosters sportsmanship, competition and discipline.

    BISC-SL Athletics

  • Join a Virtual Discovery Meeting

    Nothing can replace a face-to-face visit and tour of our school – but with school closures and travel restrictions around the world, a Virtual Discovery meeting is the next best thing.

    Virtual School

Katreina Ostrander

Katreina Ostrander

Learning Assistant

Being the oldest of five and growing up with several young cousins, working with children has always been a cornerstone of my life. After babysitting and nannying for several years, I decided to step into the classroom in college when I participated in a mentorship and tutoring program working with elementary school students. Through this program, I discovered a love for working with students, and I have not looked back.

Upon graduating from the University of Michigan and completing my Arts and Ideas degree, with specializations in Studio Arts and German, I moved from my home state of Michigan to Chicago to pursue my passion for working in education. The past two years, I have had the privilege of working in the Chicago Public Schools through a non-profit organization called City Year. During my first year with the program, I worked as a mentor and tutor in a fourth grade classroom, collaborating closely with a partner teacher to plan lessons, track students’ academic progress, and help the students with their social emotional growth. My second year of the program, I led a team of first-year City Year members in a wonderfully diverse public high school in Rogers Park. Through this role, I helped to support my team of peers as they navigated their roles, while also working closely with the teachers and administration in order to problem solve around the best ways to support the students.

Something I greatly value is people, especially young people, being exposed to diverse cultures and ideas, and I am thrilled at how much this school has to offer to help support this type of empathetic learning. I also hope to help support the students in exploring their passions through my love of the studio arts and performing arts, as well as my deep love for animals. I am so excited to be joining the BISC-SL community!