Meet the Staff

Leia Browning has a Bachelor of Music Education from the University of North Texas where she graduated Magna Cum Laude. She also attended Louisiana State University where she studied musical theatre after graduating from Ronald Reagan High School in San Antonio, TX.  In high school, she was a 2-time All State Choir Member and was ranked No. 8 in her class.


Leia has been teaching high school choir for 14 years. She spent 7 years at South Garland High School and is beginning her 8th year at Rockwall High. She lives in Fate with her 9 year old son, Lucas, and 4 year old daughter, Montana.

Leia Browning 
Head Director
Parker Lessmann
Assistant Director

Parker Lessmann began as assistant director of the Rockwall High School Choirs in 2019. Prior to RHS, he was assistant choral director at McKinney High School from 2017-2019, following his tenure at the Austin Academy for Excellence in Garland ISD during his first two years of teaching. Under his direction, his choirs have exclusively earned Sweepstakes ratings at UIL and superior ratings at Hawaiian Falls Choral Festival, including Best in Class.


Mr. Lessmann is a graduate of Texas Christian University where he earned his Bachelor of Music Education degree. During his time at TCU, he participated in various ensembles, including the TCU Concert Chorale and Frog Corps men's chorus. He has previously served as a vocalist in the Dallas Bach Society as well as the Verdigris Ensemble. Currently he is choral section leader and assistant youth choir director at St. Andrew United Methodist Church of Plano, and is a member of the Texas Choral Directors Association and Texas Music Educators Association.

Voice Faculty

With a Master of Music in Vocal Performance from TCU, a Bachelor of Music in Education from SMU and a Texas State Lifetime All Level Music Certification, Mary Drayer has sung in the Dallas Opera, Ft. Worth Opera, Lyric Opera of Dallas, Deep Ellum Opera Theatre, Dallas Symphony, Ft. Worth Symphony, Garland Summer Musicals, various churches throughout the Metroplex and Renaissance Festivals from coast to coast. Performing is her love but teaching is her passion. For 34 years, Ms. Drayer has been a private voice teacher in Garland, Mesquite, Rockwall and SunnyvaleISDS. Ms. Drayer has numerous 3 and 4-year All-Staters from her studio, as well as many former students who have become professional singers and teachers.

Mary Drayer 
Voice Faculty 
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