John F. Mahoney

Mathematics, Benjamin Banneker Academic High School, Washington, DC
Total years as a classroom teacher: 33

Email the inductee


  • University of Washington Special Topics in Math for Teachers 2003-2004
  • Montgomery College Courses in Pascal and special education 1987
  • Temple University M.A. in Mathematics 1969-1972
  • Bucknell University B.S. in Mathematics 1965-1969

Teaching Experience

  • 2001-present Grades 9-12 Mathematics, Banneker Academic High School, Washington, DC
  • 1977-2001 Grades 9-12 Mathematics, Sidwell Friends School, Washington, DC
  • 1991-1992 Grades 6-12 Mathematics, Truro School, Truro, Cornwall, U.K.
  • 1975-1977 Grades 7-12, Mathematics, Wilmington Friends School, Wilmington, DE
  • 1972-1975 Grades 7-12, Mathematics, Moorestown Friends School, Moorestown, NJ
  • 1970-1972 Freshmen Mathematics Teaching Assistantship, Temple University
  • 1971 Grade 4 Mathematics, SEED program with Philadelphia Public Schools

Special Recognition

  • 2004 USA Today’s2004 All-USA Teacher Team
  • 2004 Minor Planet #20324 named Johnmahoney by MIT’s Lincoln
    Laboratory in recognition of mentoring of Banneker senior, who placed 9
    th in nationwide Intel Science Talent Search
  • 2004 Invited to join the Math Forum’s Board of Advisors for Interaction Math and Math Tech
  • 2004 Invited to 10 th International Congress on Mathematics Education in Copenhagen
  • 2003 Co-recipient of Robert Wood Johnson Foundation’s Young Epidemiology Scholar’s Teacher Competition National Award
  • 2003-2005 Invited to Institute of Advanced Study’s Park City (UT) Mathematics Institute’s High School Teacher Program
  • 2003 -2005 Chair of the editorial panel of ON-Math, the National
    Council of Teachers of Mathematics Online Journal of School Mathematics
  • 2003- 2004 Exam leader at the Advanced Placement Calculus Reading in Colorado
  • 2001 Washington Post, Agnes Meyer Outstanding Teacher Award
  • 2001 Featured in two Washington Post articles
  • 2000 Radio Shack National Teacher Award
  • 1999 Fulbright Memorial Fund Award
  • 1997-2000 Editor: Eightysomething! Texas Instruments’ newsletter for users of graphing calculators
  • 1995-1997 Clerk (chair) of the Board of Trustees of Sandy Spring (MD) Friends School
  • 1994 Presidential Award for Excellence in Science and Mathematics Teaching
  • John believes that a good teacher builds on success, not failure, and that’s what he tries to accomplish with his students.
  • He endeavors to understand the individual needs of his students, to
    encourage their talents, and to foster their self-esteem. John says he
    is a mathematics teacher, but his main role is that of a teacher of high
    school students. Mathematics is his vehicle for teaching students.


“Mr. Mahoney presents students with challenging material (AP
Statistics and Calculus) in a way that makes it understandable and
accessible, expects the students to rise to the challenge, and helps in
every way he can.”

Katherine Wheatley, Parent

“In the hours before and after school, when most classrooms are quiet
and the hallways deserted, John’s doors remain open as students, some
who don’t even take his classes, seek extra help and guidance in math.
Both in and out of the classroom, John’s first priority is to teach his
students they can and will be successful in his math course.”

Carol Ann Konrad Murray, Colleague