Mrs. Langdon attended Clarion University and has a degree in Elementary Teaching and Library Science.  She also has a masters degree in Early Childhood Education.  She began her teaching career in 1971 in the North Allegheny School District.  She began teaching in the Mercer Area School District in 1978.  While at Mercer, she has taught kindergarten, first, second, fourth, sixth grades, 7th and 8th grade developmental reading, and is now the elementary librarian.  She has taught "Success by Six" for 14 years.