High School Team

Lisa Berger, High School Social Studies Teacher

Mrs. Berger holds an MEd in education from Walden University and a BA in history from the University of Pittsburgh. The 2018–2019 school year marks her 10th academic year in virtual online teaching and her 17th active year in the field of education. She loves to teach U.S. history and geography.


Brayden Cressman, Spanish Teacher

Mrs. Cressman holds a BS in world languages education Spanish and applied Spanish with a certificate in TESOL from Pennsylvania State University and is working on her master's in Spanish linguistics from New Mexico State University. The 2018–2019 school year marks her sixth academic year in education and her second academic year with online instruction. She comes to ISPA with teaching experience from central and eastern Pennsylvania and Ecuador. She loves to teach all levels of language, but has a soft spot for the foods unit.


Christina Davis, Math Teacher

Ms. Davis received her Master in the Art of Teaching degree from Western New Mexico University. Prior to that, she graduated from the University of Colorado at Boulder with degrees in anthropology and French. She has enjoyed many diverse teaching experiences in her 16-year career including rural, urban, and online school settings. She also had the opportunity to work as an education ranger with the National Park Service and the Fish and Wildlife Service. She has lived and worked in New Mexico, France, Oregon, Wyoming, Utah, and Pennsylvania.


Reuben Lacy, Health & Physical Education Teacher

Mr. Lacy holds a BS in health and physical education from Cairn University, and is certified to teach preK–12th grade in Pennsylvania. The 2018–2019 school year marks his second academic year in online instruction and he is excited for the new adventure. He is most looking forward to using his passion for health to provide a positive impact on the lifelong fitness journey of his students. Mr. Lacy resides in Philadelphia, Pennsylvania.


Kim Spurgeon, High School Science Teacher

Mrs. Spurgeon holds a BS in biology education from Bloomsburg University and an MEd in elementary education from West Virginia University. The 2018–2019 school year marks her ninth academic year in public education and her fourth year in a charter school. She comes to ISPA with teaching experiences from both Pennsylvania and North Carolina, and professional certifications in biology, general science, math, middle school science, and K–5 elementary education. Her favorite subject to teach is physical science because it involves physics, chemistry, and math all in one!


Tia Gaines, English Teacher

Mrs. Gaines holds BS degrees in secondary education, English, and biblical studies from Cairn University and an MEd in learning and technology from Western Governors University. The 2018–2019 school year marks her 14th academic year in education and her ninth academic year in online instruction. She comes to ISPA with teaching experience in cyber, private, public, urban, and international schools. She loves to read and teach literature.



Nancy Shifflett, Special Education Teacher

Mrs. Shifflett has a master's in special education from Slippery Rock University and a BS in elementary education from Clarion University. Mrs. Shifflett also holds a master's in educational administration and educational technology. Mrs. Shifflett brings a variety of teaching experiences over the past five years in various special education positions from elementary school through high school math courses. This year will be her first year of online teaching and she is very excited and happy to be working for ISPA.



Allie Schleifer, School Counselor

Mrs. Schleifer holds a BS in business from Penn State University (WE ARE!) and an MS in education counseling from Villanova University. With over eight years of experience working with students across all grade levels and a passion for working with children with special needs, Mrs. Schleifer joins ISPA as the middle and high school counselor. Her goal is to provide all students with a safe and supportive environment where they can learn to love and accept themselves, set goals for the future, and enhance their emotional well-being. Mrs. Schleifer was born and raised in the Philadelphia suburbs where she still resides today with her husband, five-and-a-half-year-old twins, two dogs, and one cat.