Middle School Staff
Sabrina Galvan is a state licensed and certified middle school teacher. She has a Master’s Degree in secondary education with an English specialization and is in her fourth year here at Vanguard. As our Middle School team lead, Sabrina is committed to providing a quality education to our students both therapeutically and academically.
Sandra Czuwala has a Bachelor of Science in Applied Learning and Development from the University of Texas at Austin. She has over 13 years of teaching experience, including 6 years of working with students with disabilities. She is passionate about making connections with students and helping them to discover the joy of learning. Sandra is excited to join the Vanguard Family. When not at school, she enjoys traveling and spending time with her family. Sandra has been married for 25 years and is the proud mother of 3 children.
Harry Dyas has a Bachelors of Science from Texas Tech University, where he majored in Sociology. Harry gained extensive experience while working for charter behavioral hospitals as a drug and alcohol youth counselor. Through a friend he then found his way to Vanguard where he has continued to work with youth for the past 19 years.
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Vanguard Preparatory School
4240 Sigma Road Dallas, TX 75244
Accredited By Southern Association Of Colleges And Schools - AdvancED | TEA Approved
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(phone) (972) 404-1616
(fax) (972) 404-1641