Committed leadership throughout the years has made St. Andrew's the special place it is today. Please take a moment to learn about our Head of School, Associate Head of School, and Division Heads, who have spent decades serving students of all ages.
Melissa Grubb has served as St. Andrew’s Head of School since 2021. Prior to St. Andrew’s, Melissa served as Head of School at The Stanley Clark School in South Bend, Indiana for eleven years. Prior to The Stanley Clark School, she spent more than twenty years at the Oakridge School in Arlington, TX.
A native Texan, Melissa has a wealth of independent school experience. In her educational tenure, she has been a classroom teacher and department chair (English and Spanish), Assistant Head of Middle School, Head of Middle School, Interim Head of Upper School, Director of Studies and Head of School. She also has experience as an Interim Director of Admissions and of Facilities Management.
Melissa is a community-builder, servant leader and strategic thinker who deeply appreciates our school’s commitment to Episcopal Identity. Melissa has been married for 36 years to husband Thomas Grubb – they have one son, Christopher, and welcomed their first granddaughter in 2022.
Alice Nezzer has served as Associate Head of School since 2022, previously serving as Head of Middle School for thirteen years. Prior to taking the Head of Middle School role, she also taught and served as Middle School Dean at St. Andrew’s.
Alice is an alumna of St. Andrew’s and St. Stephen’s Episcopal School with a Bachelor in Religious Studies from Sewanee and a Masters in Curriculum and Instruction from the University of Texas at Austin. As Associate Head of School, she is responsible for continued curriculum growth and development, providing leadership and direction for the Directors of Curriculum and Instruction and Division Heads, and ensuring continuity among our Lower, Middle and Upper School Divisions.
Dr. Steven Fletcher is the newest member of our senior leadership team, assuming the role of Head of Upper School in July 2023. He brings over 20 years of teaching and research experience to St. Andrew’s, most recently serving as the Upper School Dean of Students and Director of Student Life at TMI Episcopal in San Antonio. Prior to TMI, he was a science and math teacher, Assistant Dean of Students, and Service-Learning Coordinator at George School, a co-educational day/boarding school in Newtown, PA.
In addition to his years teaching at George School, Steven has taught organic chemistry during the summers at Rosemont College, LaSalle University and Temple University and chemistry at The Johns Hopkins Center for Talented Youth.
Dr. Fletcher is a leader who emphasizes achievement with a kindness that prioritizes relationships. His wife, Ileabeth, is a teacher, and they are the proud parents of two young children, Esteban and Cecilia.
Tim Moore was named St. Andrew’s Head of Middle School in 2023, previously serving as Middle School Dean of Students from 2014-2022 and Interim Head of Middle School from 2022-2023.
While serving as Dean, he created an extensive student leadership program, providing students opportunities to lead through a house system and numerous student organizations. He also created and taught Project Citizen, a capstone project that encourages active citizenship through community engagement. Both of these initiatives are now hallmarks of our Middle School program.
Prior to arriving at St. Andrew’s, Mr. Moore served as 7th and 8th grade Dean of Students at the Randolph School in Huntsville, Alabama, where he also taught history and was an award winning varsity basketball and tennis coach.
Tim’s passion and leadership helps make St. Andrew’s Middle School a place where students want to be each and every day, where they can expand on their natural curiosities about the world around them, and where they can feel a true sense of inclusion and belonging.
Katy Roybal has served as St. Andrew’s Lower School Head since 2021. Prior to St. Andrew’s, Katy spent 22 years serving at Trinity School in Menlo Park, California. She began her tenure at Trinity as a Spanish teacher and then a junior kindergarten teacher, and followed that role as the Director of Educational Technology, Director of Marketing and Events, and Lower School Director, where she was tasked with designing the school’s distance learning program as a result of the COVID-19 shutdown and successfully navigated the re-opening of their campus in the fall of 2020. At Trinity, she also founded a Maker Space and introduced Design Thinking curriculum to the school, which have both now grown into a year-long curriculum thread.
Katy brings to St. Andrew’s diverse academic experience, innovation, creativity, positive energy and a true belief in the value of an Episcopal education.
Katy and her husband Jeremy have four children: CJ, Isaac, Eli, and Gabriel ‘29.