Debra Shannon ITL -Mrs
Shannon has been teaching at River Hill since 1998. She earned her
bachelor’s degree in mathematics from the University of Michigan
and her MBA in Accounting from Loyola. She is the math department instructional
team leader, a co-sponsor for the class of 2015, and a chocolate chip
Cook - - Ms Cook has been teaching at River
Hill since 2004. She earned her bachelor’s in mathematics
from the University of Maryland (Go Terps!) and is currently
earning her master’s from UMBC. She is a co-sponsor
for the class of 2015 and a Green Bay Packer fan!
Roger Demaree - Mr. Demaree has been teaching math at River Hill since 2001. He earned his undergraduate degree from M.I.T., and earned graduate degrees from Virginia Tech and Johns Hopkins University.
Munding – Ms.
Munding has been teaching at River Hill since 1999.
She earned her bachelor's in Mathematics and a Master's
of Eduction from Salisbury University. She is the
club sponsor for the BuildOn Club. She enjoys cheering
on her Philadelphia sports teams and her family time
Rhonda De la Mar - Mrs. de la Mar has been teaching at River Hill since it openned in 1996. She earned her Master's degree from Johns Hopkins. In addition to teaching math, she is the math team coach and the costumer for the drama department. She enjoys spending time with her husband and children.
Williamson - Ms. Williamson has taught at River Hill since 2007.
She graduated from University of Maryland with a bachelors in
mathematics. In addition to being on the Ninth Grade Team, Ms.
Williamson co-sponsors Best Buddies and is the co-advisor of
the Class of 2013.
Rick Hollenbeck - Mr. Hollenbeck is in his
2nd year teaching at River Hill. Previously, he taught at Enloe
High School in Raleigh, NC and Harper's Choice Middle School
in Columbia, MD. He enjoys spending time with his three young
children and watching NFL football.