Working together for student academic success by providing nutritious meals in a cost effective and pleasant environment.
District calendars are listed and approved two years in advance. For individual schools, only campuses with Google Calendars are featured here.
NISD's mission is to provide all NISD students who are eligible to ride the bus a safe, efficient, nurturing environment that supports the educational and extra-curricular objectives of the district.
Northside ISD continues to enforce its “No Shots, No School” policy. Texas law requires all public school children have current immunizations in order to attend class.
School Mascot: Owls
School Colors: Royal Blue, White
The Glenoaks mission is to inspire life-long learning in our diverse community; cultivating respect, trust, and confidence in a collaborative
learner-centered environment, resulting in innovative 21st century leaders.
Mrs. De Leon and her husband relocated to Laredo, TX in 2013 where she served as the Assistant Principal at Leon Daiches Elementary in Laredo ISD. In 2016, Mrs. De Leon was appointed Principal of C.M. Macdonell Elementary.
Mrs. De Leon and her family returned to the San Antonio area in 2019 and she currently serves the Glenoaks Elementary community as Principal.
Mrs. De Leon received her Bachelor's Degree from Schreiner College, Kerrville, TX and a Master's Degree in Education from the University of Texas at San Antonio.
She and her husband have a son.
The Associate Principal also serves as the Campus Behavior Coordinator. They can be reached by email at firstname.lastname@example.org or by phone at 210-397-2315.
Cynthia Castillo began her career in Somerset ISD in 2011 where she taught Pre-K, 3rd grade, and fourth grade. Ms. Castillo joined the Northside ISD family in 2016 and served as a 1st grade ESL Teacher and Math Specialist at Mead Elementary, and as Administrator Intern at Carnahan Elementary. Ms. Castillo was appointed the Vice Principal of Glenoaks Elementary in 2020.
Ms. Castillo earned a Bachelor's Degree in Interdisciplinary Studies and a Master's Degree in Educational Leadership and Policy Studies from the University of Texas at San Antonio. Go Roadrunners!
A note from Ms. Castillo: I am so proud to serve the community of Glenoaks Elementary. I believe in the importance of humanizing, caring, meaningful experiences for our students, staff, and community and I know that we will work together through good times and challenging times. Our students are always our top priority and we will do all that we can to ensure their success in all respects. Go Owls!