Ryan S. Dahlem, Ninth Head of School

Ryan S. Dahlem is the ninth head of school at Rivers. He arrived on July 1, 2023, having previously served as assistant head of school at St. Margaret’s Episcopal School, a PK–12 school of 1,240 students in San Juan Capistrano, CA. There, he created a unique student-centered Innovation Strategy rooted in design thinking that has been recognized nationally in the world of independent schools. At Rivers, Ryan continues that approach of student-centered learning, built on a foundation of strong relationships and the school’s philosophy of Excellence with Humanity.


"Above all, I value deeply personal relationships between educators and students. They are at the heart of a transformational education."
—HEAD OF SCHOOL RYAN S. DAHLEM
Ryan graduated from Stanford University with an AB in psychology and from the Harvard Graduate School of Education with a master’s degree in teaching and curriculum. He is a trained musician and avid mountaineer who has climbed the highest mountain on each of the seven continents. Ryan and his wife, Anne, have three children: Peter, Ella, and Colin.

Ryan was initially drawn to The Rivers School for its mission, core values, and tradition of Excellence with Humanity, which, he said, resonates deeply with his own educational philosophy. Building on the school’s momentum, he is delighted to lead Rivers into its next chapter.

MEET RYAN S. DAHLEM

Ryan S. Dahlem, our ninth head of school, spent several days on the Rivers campus before his official arrival. He visited classrooms, met with students and faculty members, and began the process of becoming a member of the Rivers community. We caught up with him on one of his early visits, and in this video, he shares his first impressions of the school and his excitement about his new role.

Head of School News

List of 3 news stories.

  • In a morning and evening sessions, neuroscientist Mary Helen Immordino-Yang addressed the Rivers community.

    Renowned Neuroscientist Mary Helen Immordino-Yang: Understanding Adolescent Brains

    We may think of the world of emotions as very separate from biology or the process of learning and the brain, but Mary Helen Immordino-Yang would have you know that those processes are deeply linked. Following the winter break, The Rivers School welcomed back Mary Helen Immordino-Yang, a distinguished neuroscientist and professor of education at the USC Rossier School of Education, as a guest speaker for a day of professional development, and in a later session for parents, caregivers, and alumni.
    Read More
  • Science Department Chair Betty Bloch spoke to a full room of prospective families at the Harvard Museum of Natural History.

    “Rivers on the Road” Admission Tour Brings Science to the Harvard Museum of Natural History

    The Rivers School admission team recently stopped at the Harvard Museum of Natural History for the second annual “Rivers on the Road” event. The museum’s newly renovated Earth & Planetary Sciences gallery, an expansive space that houses thousands of rare minerals and sparkling gemstones, was a perfect setting for forging new connections and talking about science programs at Rivers.
    Read More
  • Head of School Ryan S. Dahlem gave opening remarks at the Veterans Day Assembly.

    Veterans Day at Rivers: Service and Sacrifice

    The Rivers School held its annual Veterans Day assembly to recognize and honor members of the community who have served in the military. This year, a new dimension of this 42-year tradition offered students the chance to give back and serve veterans in various community organizations throughout the Boston area.
    Read More
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