ACS Hillingdon International School

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Welcome to High School – a strong global community that celebrates and integrates the many cultures and nationalities that make up our student body and faculty.

Dawn Ekstrom

- Dawn Summerfield, High School Principal
Dawn Ekstrom

Dawn Summerfield, High School Principal

Dawn is an American educator with over 25 years' experience as a teacher and administrator. She has a Masters degree from Bemidji State University in Minnesota, a Bachelors degree from CUNY Hunter College in New York, and administrative certification from Wilmington University in Delaware. Dawn has a strong background in curriculum, French language and special education. She has been with ACS since 2007, first at the Cobham campus and now at Hillingdon. Dawn is committed to providing a first-rate education for all students and celebrates the multicultural ethos that comes from working in such an international school.

Together we continuously boost our school spirit, enhance our personal relationships, and routinely pause to applaud our social and academic achievements.

High School is a critical and often challenging time for students as they find the necessary skills to build their own personal future. As an administration of expert teachers, counsellors, and support staff, we guide and support our students each step of the way.

Our school offers rigorous academic choice in the renowned:

  • International Baccalaureate Diploma Programmes (IBDP)
  • Advanced Placement (AP) courses
  • A US High School Diploma
  • Honours programme.

We bring high expectations and academic purpose to each of these choices, enabling every student to feel success as a personal achievement. 

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