Serving 452 students in grades Prekindergarten-5, Guillermo Flores Elementary School ranks in the top 50% of all schools in Texas for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 59% (which is higher than the Texas state average of 44%). The percentage of students achieving proficiency in reading/language arts is 40-44% (which is lower than the Texas state average of 51%).
The student-teacher ratio of 16:1 is higher than the Texas state level of 14:1.
Quick Facts (2026)
- Grades: Prekindergarten-5
- Enrollment: 452 students
- Student-Teacher Ratio: 16:1
- Overall Testing Rank: Top 50% in TX
- Math Proficiency: 59% (Top 20%)
- Reading Proficiency: 40-44% (Btm 50%)
- Science Proficiency: 30-34% (Btm 50%)
- Attendance Zone: Guillermo Flores Elementary serves the southern part of Mission, TX, covering an area of approximately 4.3 square miles. Families typically have a drive of 5-10 minutes to the school, with the furthest edge of the attendance zone located about 4.3 miles away.
- Source: National Center for Education Statistics (NCES), TX Dept. of Education
Top Rankings
Guillermo Flores Elementary School ranks among the top 20% of public schools in Texas for:
Category
Attribute
Math Proficiency
School Overview
Guillermo Flores Elementary School's student population of 452 students has grown by 11% over five school years.
The teacher population of 29 teachers has declined by 6% over five school years.
Grades Offered
Grades Prekindergarten-5
Total Students
452 students
Total Classroom Teachers
29 teachers
School Calendar
School Rankings
Guillermo Flores Elementary School ranks within the top 50% of all 8,096 schools in Texas (based off of combined math and reading proficiency testing data).
The diversity score of Guillermo Flores Elementary School is 0.00, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3442 out of 8096 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
59%
44%
Reading/Language Arts Test Scores (% Proficient)
40-44%
51%
Science Test Scores (% Proficient)
30-34%
46%
Student-Teacher Ratio
16:1
14:1
American Indian
n/a
n/a
Asian
n/a
6%
Hispanic
100%
54%
Black
n/a
13%
White
n/a
24%
Hawaiian
n/a
n/a
Two or more races
n/a
3%
All Ethnic Groups
Chronically Absent Students
(22-23)29%
23%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
93%
56%
Eligible for Reduced Lunch
2%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), TX Dept. of Education
Frequently Asked Questions
What is Guillermo Flores Elementary School's ranking?
Guillermo Flores Elementary School is ranked #3442 out of 8,096 schools, which ranks it among the top 50% of public schools in Texas.
What percent of students have achieved state testing proficiency in math and reading?
59% of students have achieved math proficiency (compared to the 44% TX state average), while 40-44% of students have achieved reading proficiency (compared to the 51% TX state average).
How many students attend Guillermo Flores Elementary School?
452 students attend Guillermo Flores Elementary School.
What is the racial composition of the student body?
100% of Guillermo Flores Elementary School students are Hispanic.
What is the student-teacher ratio of Guillermo Flores Elementary School?
Guillermo Flores Elementary School has a student ration of 16:1, which is higher than the Texas state average of 14:1.
What grades does Guillermo Flores Elementary School offer ?
Guillermo Flores Elementary School offers enrollment in grades Prekindergarten-5
What school district is Guillermo Flores Elementary School part of?
Guillermo Flores Elementary School is part of La Joya Independent School District.
School Reviews
Review Guillermo Flores Elementary School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
How to Evaluate School Safety Beyond Headlines
Learn how to evaluate school safety beyond headlines by examining reliable data, school climate, emergency planning, bullying prevention, communication, student experiences, and everyday security practices before choosing a school.
Choosing a Public School for Executive Function Needs
Learn how to choose a public school for a child with executive function challenges by evaluating routines, classroom support, organization, accommodations, communication, transitions, and special education services before enrollment.
What School Climate Surveys Tell You Before Enrolling
Learn how school climate surveys reveal student safety, belonging, relationships, engagement, and support, and how families can interpret results carefully before choosing a public school for their child today.
