Saint John Bosco School

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    • Home
    • About SJBS
    • Academics
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    • Our Faculty
    • FAQ
    • Contact Us
    • Donate
    • Sponsors

Saint John Bosco School

Saint John Bosco SchoolSaint John Bosco SchoolSaint John Bosco School
  • Home
  • About SJBS
  • Academics
  • Admissions
  • Our Faculty
  • FAQ
  • Contact Us
  • Donate
  • Sponsors

Our Faculty


Beatice Barry

Speech and Art



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.



Melissa Dolan

Middle School English and Nutritional Science



John Harrison

Salvation History, American History, American Literature and Consumer Math



Eileen Hughes

Spanish 1 & Advanced Spanish


Eileen is native of the DC area and a graduate of the University of Maryland at College Park.  She holds a degree in Secondary Education and Spanish.  As an undergraduate student Eileen studied in Madrid, Spain and served as a volunteer English teacher for university teaching assistants.  Post graduation, Eileen began her teaching career in the Maryland Public schools.  During that time she participated in a teacher exchange program with a school in Toluca, Mexico and served on panel of educators writing new curriculum and assessment materials at the secondary level.  As her family grew, Eileen worked from home tutoring and teaching small group classes for students of all ages.  Outside of the classroom Eileen enjoys outdoor adventures of all kinds with her husband and children.  She and her family are parishioners at St. Theresa in Ashburn. 



Kate Lindner

MS History, World History and Following Christ



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.



Sabine Möller

Administration, Apologetics and Dramatic Arts


Sabine Möller is a life-long Catholic and a founding parishioner of Our Lady of Hope Catholic Church. She grew up in Germany, learned English at a young age and eventually moved to the United States. Sabine attended Franciscan University of Steubenville where she obtained a BA in Theology/Mental Health & Human Services, AA in Education, Minor in Human Life Studies, and a Minor in Sacred Music.  Sabine has a Virginia Catholic Education Association License and a Master Catechist Certificate.  

Teaching comes naturally for Sabine.  She has taught grades 5 through 12 including Biomedical Ethics, Scriptures, Intro to Catholicism, Church History, Apologetics, Morality, Sacraments and Pre-Algebra.  She has done most of her teaching in Virginia, but also spent time teaching in a college prep school in Managua, Nicaragua, where conditions led her to adopt an inventive teaching style.  Sabine has also spent time tutoring and teaching CCD at various parishes. She has spoken publicly on the issues of chastity and pro-life issues, and ministered in crisis pregnancy centers.  Sabine has used her degrees in various ways:  youth minister (Maryland), retreat leader (Germany), missionary (pro-life, Exodus Youth Services – for the poor in DC), counselor (Johns Hopkins Camp Sunrise & SunSibs – pediatric oncology patients and their siblings). 

Sabine is a cantor and choir member at Our Lady of Hope Catholic Church.  She enjoys German candle making, an intricate craft into which she incorporates her Faith.  Sabine has also been involved with the world of drama, where she has assumed all roles, from onstage to producer to director.  She loves to travel, especially on pilgrimages to holy sites around the world and to visit her family in Germany. She lives with her best friend, along with two dogs, two cats and 2 birds. Sabine is looking forward to sharing her joyful love of the Faith and of life with the students at St. John Bosco School.



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



Kelly Sonnhalter

Administration, Earth Science, Physics and MS Life 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



Isabella Tyson

Spanish 2, Intro to Spanish 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!


Saint John Bosco School

46833 Harry Byrd Hwy, Sterling, Virginia 20164

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