Preschool Staff


Elizabeth Rivera

Director (August 2011-present)

I am so pleased to begin my 9th year here at St. Gregory’s Preschool! I have been in early education for over nineteen years in various capacities such as: after school programs, summer camps, tutoring, assistant teaching, lead teaching and curriculum development to name a few! I received my Child Development Associate Certification w/ a focus on Preschool in 2008. I started teaching at St. Gregory's in 2011. I became the assistant director in 2014. I am so happy to be able to continue my career in education as the Director here since 2015. I hold both my Texas Director's Credential as well as my National Administrator's Credential. I have been married for almost 17 years, together we have two beautiful daughters: Gabriella is a junior at Mansfield Early College highschool and Mikaela is as a freshman this year.  I am so grateful for the opportunity to work with you as we foster your child's growth in education. I'm looking forward to an outstanding year together with your family!


Sarah Rivera

Aide (June 2015-present)

Hi! I am Sarah.  I am happily married with two children ages 11 and 8.  This will be my fifth year here at St. Gregory's and I am looking forward to growing in the field of education while working the children and teachers.


Wendy Prevatte

Teacher - (2 year olds, June 2019-present)

Hello, I am Mrs. Wendy. I graduated with my Associates Degree in Applied Technology. My husband and I have been married for 26 years and we have 3 children. After living in six different states and Germany, my husband's recent retirement brought us to Mansfield and I am happy to call Mansfield home. I started teaching preschool when my second child was just three years old. Saint Gregory's is the third perschool I have had the joy to teach at.


Lucinda Flores

Teacher - (2 year old's, July 2019-present)

I have worked in the childcare setting for over 15 years. I took several years off while raising my 5 children. I live with my husband, Mario in Ft. Worth. I am happy to be back working with the little ones here at St. Gregory's.


Lillianna Fejeran

Teacher (3-3&1/2 year olds, Aug 2017-present)

I graduated  from UTA with my BA in ESL education EC-6. I plan on going back to school to get my masters and teach elementary age children. I am a starting my third year here at St. Gregory's and I am excited to start this new adventure with your child. I hope to get to know everyone and learn about each child's personality. I hope we have a wonderful school year together!


Michelle Savitch

Teacher - Jr. Pre-K (3's & 4's, Nov 2011-present)

I have taught at St. Gregory's Preschool for almost 8 years.  This will be my sixth year teaching the 3 &4 year old class. I have been involved in the teaching and development of children for fifteen years. I am married and have two children. I look forward to a great year filled with fun activities and many happy memories.


Jennifer Buckley

Teacher Pre-K - (4-5 year olds, April 2013-present)

 I am so very excited to start my seventh year here at St. Gregory's Preschool as a Pre-K teacher. I have been married for 16 years and have 2 children; Madalyn is 14 and William is 12.    I had the pleasure of staying at home with them until William entered Kindergarten. I am from Buffalo, New York but I have lived in Texas since 1979. I have been working with children since 1993 and have also worked as a paraprofessional for AISD. I cannot wait to start working with each child as they grow and learn!


Ellen Dauzat

Teacher Pre K - (4-5 year olds, Dec 2006-present)

I will be starting my 13th year here at St. Gregory's Preschool. In those years I have been a teacher, substitute teacher and an aide. I currently live in Arlington with my daughter and grandson. I look forward to a great year getting to know your and your child!

Susan McDuff


Substitute teacher - all ages (June 2016-present)

Ms. Susan received a PhD in occupational thereapy from TWU. She has worked with children as a registered occupational therapist for over 35 years. Ms. Susan recently retired for the public school system to help take care of her only grandson. She has been working here at the preschool the summer of 2016.


Teresa Windell

Substitute teacher - all ages (2011-present)

I have been happily married for almost 25 years and have one son. I am so happy to be returning to St. Gregory’s Preschool this year as a sub. I have been working with children for over 18 years now in preschool and public school. I started teaching small children right after graduating high school. When my son started kindergarten I began teaching as a paraprofessional educator in Venus ISD. In 2001 I moved to a position with Midlothian ISD. I began teaching at SGP in 2011 and I’m happy to return!