Mary Coombe

 
 

Meet Mary D. Coombe, CGFM, CPA – Expert Math, Accounting, and Test Prep Tutor

Mary D. Coombe brings decades of diverse teaching experience and a results-driven, student-centered approach to help learners reach their fullest potential. With advanced credentials including a Master’s in Finance from George Washington University and an MBA/MS in Accounting from Northeastern, Coombe specializes in individualized instruction and adaptive strategies to support student achievement and confidence.

Areas of Expertise:

  • Mathematics (Elementary through AP Calculus, SAT/ACT, Algebra, Geometry, Advanced Math)

  • Accounting (Introductory to Advanced, University Level)

  • Finance (College Level)

  • Standardized Test Preparation (SAT, ACT, SAT Subject Tests, AP Calculus)

Teaching Philosophy:

"Every student has the ability to thrive when learning is tailored to their strengths. My goal is to create clarity and confidence by breaking down complex concepts into manageable steps."

What Makes Mary Special:

  • Expertise in simplifying advanced math concepts for diverse learners

  • Adaptive teaching methods tailored to individual student needs

  • Deep experience in standardized test strategies and exam preparation

  • Strong academic foundation with degrees from top-tier universities

  • Focus on building lasting skills for academic success and confidence

Education & Achievements:

  • MS in Finance, The George Washington University

  • MBA/MS in Accounting, Northeastern University

  • MA in Education, Stanford University

  • BS in Mathematics and Psychology, Tufts University

  • California Teaching Certification in Mathematics

  • CPA certification (Massachusetts)

  • CGFM (Certified Government Financial Manager)

  • Mathematics Instructor: Avery Coonley School, Tabor Academy, Leigh High School

  • Adjunct Professor: University of Northern Virginia, Strayer University

  • Experienced Tutor

 

Mary’s long-standing record of teaching—from middle school classrooms to university-level accounting courses and high-stakes test prep—reflects her dedication to student success. Whether preparing for college entrance exams or mastering advanced math topics, Mary equips students with the skills and confidence they need to excel.

John SisonMagellan Tutoring