Kathleen Abela
Following Christ
Gabriela Bohnett
Spanish 1 and Advanced Spanish
Mike Caslin
Precalculus and Geometry
Mike brings a wide range of experiences to his Mathematics instruction. He has a B.S. in Industrial Engineering from Virginia Tech and an M.S. in Systems Management from Colorado Tech. He embarked on a 20+ year career in telecommunications and defense contracting before switching careers to the wonderful world of education. Since 2006, Mike has taught high school Math in Loudoun County as a full-time classroom teacher, a homebound/home-based instructor, and as private math tutor. He currently has an active post-graduate professional teaching license in the State of Virginia with an endorsement in Mathematics.
Martha Fartes
Art
John Harrison
Salvation History, American History, American Literature and Consumer Math
Danielle Jones
Administrative Assistant
Susan Lindner
Biology and Chemistry
A mother of five, Mrs. Lindner has homeschooled since 1993. She has taught high school and middle school Chemistry and Biology to the homeschool community since 2006. She is a graduate of Georgetown University, and a member of St. Mark Church in Vienna.
Jill Matz
Literary Studies, World Literature, British Literature and Catholic Doctrine
Mrs. Matz graduated summa cum laude from the University of New Hampshire in 1981 with a BA in English Literature. She went on to teach two semesters of Freshman composition and complete six courses toward the MA in English. At UNH she met her future husband, who introduced her to the truth and beauty of the Catholic faith. She homeschooled her seven children for more than fifteen years, using Mother of Divine Grace for most subjects. The Matzes have lived in Virginia since 2004.
Krista Matz
Algebra 2
Denise Mohler
Prealgebra and Algebra 1
Denise enjoyed a career in international taxation with Mars, Inc., Eastman Kodak and PricewaterhouseCoopers prior to raising a family. She was awarded a B.S. in Accounting from Mt. St. Mary's University and a Masters in Accounting from George Washington University and earned her CPA from the Commonwealth of Virginia. She has always enjoyed and excelled in her mathematics classes and has passed this love of math to her children through homeschooling during the middle school years. She and her husband and five children are parishioners at St. Catherine of Siena in Great Falls.
Bridget O’Donnell
Middle School Religion. and Government
Miss Bridget O’Donnell or “Miss B” as she prefers is a graduate from Christendom College. She started out teaching at a Montessori school and has taught religion at St. Thomas À Becket parish for over six years. After leaving Montessori, Miss B worked as a governess for a political family. As a governess she took on responsibilities of private tutor, caregiver and personal assistant. Miss B is very excited to be a part of the St. John Bosco School community.
Tony Somma
Administration and Athletic Director
Tony's family relocated to the NoVa area from Long Island, NY during his youth. He grew up in a faith-filled Catholic family in Dale City, VA and then attended West Virginia University where he earned a Bachelor's degree in Business Administration as an Accounting major. He spent about 20 years in the accounting world in the communications and healthcare industries before realizing he was being called to something more. In 2019, Tony was recruited into the world of hybrid Catholic education as an administrator where he discovered he had an important role to play helping to foster Catholic youth into a life of Faith as they transition to adulthood. Tony resides in Sterling, VA and is a member of Our Lady of Hope parish, where he is active in many ministries. Having previously served as an assistant catechist for 6th/7th grade RE students, he is currently a volunteer adult leader for their HS youth group, an extraordinary minister of Holy Communion, and a member of the parish's Knights of Columbus council. Tony is thrilled to have been part of the SJBS community since its charter school year and looks forward to helping nurture its growth and impact on our students & families!
Kelly Sonnhalter
Administration, Earth Science, Physics and MS Science
Kelly Sonnhalter is a home schooling mom, who has a passion for all things SCIENCE! Kelly has been home schooling her children, for the past five years and believes that learning is most vibrant when it is hands on. Her passion for science began in college; where she earned a Bachelors Degree in Integrated Science and Technology from James Madison University, and then went on to earn a Masters Degree in Biotechnology from Johns Hopkins University. After finishing college, Kelly worked as a research associate for the pharmaceutical and oil and gas industries. Kelly uses her academic and professional experience to bring real life applications into her science curriculum. Kelly lives in Ashburn, Virginia with her husband Kevin and their three children, Jacob, Jenna and Heidi. Kelly and her family are parishoners of Saint Joseph Catholic Church in Herndon, Virginia.
Adam Stanislawski
Physical Education
Adam Stanislawski is a homeschooling Dad! He earned a Bachelor of Science from James Madison University and a Master of Education from the University of Virginia. For 10 years, Adam taught kindergarten through 12th grade students in adapted physical education for Loudoun County Public Schools. He also spent 3 years at Saint John Paul the Great High School teaching special education and health, physical education, and driver's education. In 2020, he embarked on the adventures of homeschooling as the primary educator. Married to his college sweetheart, Rita, in 2007, they have three young children and are parishioners at St. Timothy parish in Chantilly.
Isabella Tyson
Spanish 2, Apologetics and World Geography
Isabella is a native of Bogotá, Colombia, and arrived in the United States in 1996 after marrying her husband Ted. She received her Law Degree from the Universidad de la Sabana in Bogotá, and a Master of Law in Comparative Law from the University of Miami. She has four children and has been homeschooling for thirteen years. For the past six years she has been teaching at a homeshool co-op in Chantilly and offering small group Spanish classes. She is a member of St. Timothy Catholic Church and has been involved with their CCD, VBS, and youth programs for many years. Isabella is looking forward to sharing her Hispanic heritage with Saint John Bosco School!
Dr. Katie Vizenor
Nutritional Science, MS History, MS English and World History
Saint John Bosco School
46833 Harry Byrd Hwy, Sterling, Virginia 20164
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