Your Instructors

Class Focused was founded by husband-wife team Tom Messegee and Dr. Amy Messegee. They have joined forces with THE BEST local tutors in each subject to bring you expanded availability and flexibility.

To join Class Focused, tutors must undergo a rigorous and competitive interview process, meet education and background standards and have the love of learning and teaching that we feel is so important to your student’s success.

We accept only the top 5% of all tutors (limited to one tutor per 1000 students in the local area) to ensure that any tutor you book with will contribute positively to your student’s success. 

If they are listed here; you will LOVE them!

Tutors are chosen based on:

  • Advanced Degrees
  • Industry and Life Experience
  • Tutoring Experience
  • Demeanor and Approachability
  • Professionalism
  • Proof that Former Students Excel
  • Love of Learning
  • Love of Teaching
  • and Versatility (multi-subject)

Meet the Top 5%:

Dr. Amy Messegee – All Math, Chemistry, Physics, Spanish, College Applications

Mr. Tom Messegee – All Math, Physics, AP Physics, German, SAT Boot Camp

Mr. John Siman – All English, French (non AP), Latin, Ancient Greek, All SAT & All ACT

Ms. Denise Simms – Math (elementary to Calc AB), Chemistry & Physics (non AP), SAT Math and ACT Math/Science.


Dr. Amy Messegee – Purcellville (Math through Calc BC, Chemistry, Physics, Spanish, College Applications)

Dr. Messegee holds a Ph.D. in Mathematics from the University of Florida. Early in her career, Dr. M was a professor of Mathematics at Xavier University in Cincinnati. She then spent more than a decade applying math, science and engineering to the defense and commercial technology industries both at home and around the world. Her research and development has earned her a tour as program manager at the Defense Advanced Research Projects Agency (DARPA), appointments to the NATO Network of Experts and the honorary title of Senior Fellow at the Potomac Institute. She has now returned to her first love – tutoring Math and Science.


Mr. Thomas Messegee – Purcellville (Math through Calc BC, Physics, AP Physics, German, SAT, ACT)

Mr. Messegee holds a Masters Degree in Electrical Engineering and an Professional Engineer certification. A veteran of the United States Navy’s Nuclear Power program, he turned his career towards defense and aerospace. He has more than 30 years experience in applying math, science and engineering to space-based and ground-based systems of all kinds and has now returned to impart his love of these subjects to Purcellville’s hometown students.

Tom and Amy

Between the two of them, this husband-wife team has more than 50 years combined experience, 6 degrees and certifications, 5 children and 6 grandchildren.







Mr. John Siman – Purcellville (Latin, Ancient Greek, French, English, Literature, SAT, ACT) 

Mr. Siman holds a Masters in Classics from Johns Hopkins Univeristy. Having taught extensively at Kaplan SAT/ACT prep he has an in-depth knowledge of these exams and how to prepare most efficiently. His love of learning and teaching has led him to such accomplishments as

1. an on-line translation into Latin of The Lion, the Witch, and the Wardrobe,
2. an immersion week of intensive spoken Latin with the Italian scholar Roberto Carfagni,
3. advanced readings in Latin poetry, including a study of metrics (= prosody).

His students are regularly awarded at Latin competitions and his love of all things English is incomparable.


Mr. Siman has extensive experience with both homeschool curriculum and public school curriculum.






Ms. Denise Simms – All Math (through Calculus AB), Physics (non AP), Chemistry (non AP), SAT (math) and ACT (math and science)

Ms. Denise Simms holds a Bachelor’s degree in Civil Engineering from the Univeristy of Virginia (UVA). She previously taught at the High School Level and now brings her passion for learning and teaching Math and Science to tutoring students here in Purcellville. She works with students at all levels from elementary math (specializing in developing number sense) to Calculus AB; Chemistry, and Physics. book-now