Degrees and Certifications:

Mr. Altenhof

 I am excited to start my eighth year as a Math Teacher at Freedom High School!  I am a Career Switcher from Shenandoah University with Engineering degrees from Penn State (Mechanical Engineering) and Virginia Tech (System Engineering).  Prior to teaching, I worked as a Mechanical Engineer and an after-school chess instructor.


In the 2022-2023 school year, I am teaching Precalculus and Geometry.  All of my classes are in L401.


1A: Planning            5B: Geometry

2A: Precalculus       6B: Academic Support Center (room 305)

3A: Geometry          7B: Planning

4A: Precalculus      8B: Precalculus


OFFICE HOURS: I am available mornings from 8:45-9:15 and after school by appointment.



Please email me with any questions or concerns! 


Contact Information
Freedom High School | 25450 Riding Center Drive | South Riding, VA
P: (703)957-4300 | F:(703)542-2086