Lewisville ISD is proud to be a leader in the fields of dyslexia evaluation and remediation!


    Our district invests in our students at every level!

    LISD has 63 Dyslexia Interventionists providing services to our students on a daily basis.


    Every elementary campus in LISD has at least one full-time Dyslexia Interventionist.

    Additionally, every middle school in the district also has at least one Dyslexia Interventionist to serve our students.

    The 9th-grade centers and every high school in the district also have Dyslexia Interventionists to serve every student who is in need of dyslexia services. 




    Please click here to read just a few of our 

    Success Stories!


    Our 504, Dyslexia, and RtI Program Leadership Team includes:


    Trish Ryherd, M.Ed. 

    504, Dyslexia & RtI Programs Administrator


    Camille Belknap, C.A.L.T.

    Dyslexia Coordinator


    Melissa Davis, M.Ed. 

    RtI Coordinator


    Rebecca Duesman, M.Ed. 

    Dyslexia Specialist


    Marissa Herrera, M.Ed.

    Bilingual Dyslexia Specialist


    Gerry Miller

    Program Administrative Assistant