Address

12221 LESLIE RD
HELOTES, TX 78023
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Phone Number

210-397-4800

Website

http://nisd.net

School Type

Public School

Grades Served

09-12

School Level

High

Also Known As

O'CONNOR H S (Official Name Supplied)

Student and Staff Info

Number of Teachers: 154

Student Enrollment: 2,777

Teacher Student Ratio: 18.03

--Gathered from public sources that schools self report. These may be inaccurate.--

School District

Northside ISD

District PTA/PTO Buying Guide

District Specific Buying Guide

Interactive Map

Texas Education Info

Texas Parent Rights in Education: What Families Should Know in 2026

Texas Substitute Teacher Requirements in 2026: What Schools and Job Seekers Need to Know

Texas Charter Schools in 2026: What Families Should Know About Choice, Accountability, and Access

Other Close Schools

Kuentz Elementary School in Helotes, TX (0.2 miles)

Childrens Lighthouse Helotes in Helotes, TX (0.5 miles)

Helotes Elementary School in Helotes, TX (0.9 miles)

Great Hearts Invictus in Helotes, TX (1.1 miles)

Marvelously Made - the School for Young Children in Helotes, TX (1.6 miles)

Related School Info

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View All Schools and School Districts In And Around 78023

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Information is generated using publicly accessible school-supplied data and may be inaccurate

Last Updated: 2026-06-11 10:02:16 || School Id: 88225