Mrs. Kostos was an honor graduate from Santa Fe High School. She earned her bachelor’s degree in history at the University of Houston Clear Lake. She is certified in General Education for grades EC- 4^th grades, and certified in English Language Arts, Reading and Social Studies for grades 4^th – 8^th.  Mrs. Kostos joined Our Lady of Lourdes Catholic School in 2008. She has 12 years of teaching experience.

Mrs. Kostos believes that every child can learn and takes pride in providing a faith based educational environment of kindness and understanding. She enjoys spending time with her wonderful husband, family, and friends. In her spare time, she likes to cook, read, and watch historical documentaries.