This is my second year teaching in Plano ISD. I hold degrees from Texas Woman's University and Richland College. My areas of certification include: Ec-6, ESL, and SPED. When I am not teaching, I enjoy traveling, learning about cyber security , and being of service to others.  Contact information Email: david.castillo@Pisd.edu    Virtual Office Hours  Thursday: 10:35 AM- 11:00AM  Friday: 2:00 PM-2:30 PM