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Benjamin Castillo


Benjamin Castillo is a shareholder at the law firm of O’Hanlon, Demerath and Castillo, where he focuses on representing school districts. He received his BA in Government from The University of Texas at Austin and his JD from South Texas College of Law Houston. Before attending law school, Mr. Castillo taught History and Government at Weslaco ISD.

Mr. Castillo has a strong commitment to education, both professionally and personally. He is a former school board member of Mercedes ISD and a current school board member of Weslaco ISD. 

Mr. Castillo has represented numerous school districts all over Texas as general counsel or special counsel, including Houston ISD, El Paso ISD, Fort Worth ISD, Brownsville ISD, PSJA ISD, Hidalgo ISD, Edinburg CISD, Region 1 ESC, Region 2 ESC, Edcouch-Elsa ISD, La Joya ISD, La Villa ISD, Dilley ISD, Pecos-Barstow-Toyah ISD and Carrizo Springs CISD to name a few. 

Mr. Castillo has an extensive background in all facets of labor and employment law and transactional work for public school districts and other governmental entities. Mr. Castillo is admitted to practice in Texas and before the US District Court for the Southern District of Texas. Mr. Castillo also speaks fluent Spanish.

Representative Experience:  

• Labor law advice to school districts, charter schools, and education organizations

• Transactional work for Texas school districts, charter schools, non-profits, private entities, and state government entities

• Texas Public Information Act representation for local governments, school districts, and charter schools

• Texas School law, including education code interpretation and officials' legal ethics

• Texas Open Meetings Act representation at the local government level

• Texas Election Code advice for Texas political subdivisions, especially school districts

Mr. Castillo also leads the firm's Superintendent Search activities.

In 2023, Mr. Castillo was named a super lawyer rising star for education law, the only one in the state. He is proud to be a part of a law firm that is dedicated to providing high-quality legal services to its clients.

Outside of work, Mr. Castillo enjoys spending time with his wife Stephanie, who is an educator, and their three children, Amelia Carmen, Benjamin Eleazar, and Ethan Fernando. He comes from a family of educators, with both of his parents having retired from careers in education, his mother as a high school principal and his father as a superintendent of schools. 

Benjamin Castillo: Our Team
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