Fast Facts

The mission of Marshall School is to educate students to become global citizens who demonstrate strong academic habits, respect, compassion, integrity, self-discipline, and intellectual curiosity.

Founded in 1904 as Duluth Cathedral High School, Marshall has been a unique alternative to the Twin Ports public school options for more than a century.


Academic Information

  • Student:Faculty ratio of 11:1
  • Average class size: 12
  • Accreditation through Independent School Association of the Central States (ISACS)
  • Membership in the National Association of Independent Schools (NAIS), Minnesota Association of Independent Schools (MAIS), and the Virtual High School (VHS).
  • More than 75% of seniors take at least one AP exam receive college credit while at Marshall.

Student Body

  • Total students: 360
  • Upper School (9-12): 209
  • Middle School (4-8): 151
  • Students come from 61 different schools, 5 different states, and 10 different countries
  • 25.6% self-identified students of color and underrepresented populations
  • 27.2% from families with an income of $75,000 or less
  • 13.7% from families with an income of $50,000 or less

Guided Tuition

  • 56% of families receive tuition assistance
  • Average Guided Tuition amount: $12,970

Post-high school data

  • 96% attend four-year college or university
  • 4% attend two-year college
  • The Class of 2020 earned over $10 million in college scholarships