International High School Largo

505 Largo Rd
Upper Marlboro, MD 20772
(School attendance zone shown in map)
1/
10
Bottom 50%
Serving 354 students in grades 9-12, International High School Largo ranks in the bottom 50% of all schools in Maryland for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤5% (which is lower than the Maryland state average of 27%). The percentage of students achieving proficiency in reading/language arts is 6-9% (which is lower than the Maryland state average of 45%).
The student-teacher ratio of 11:1 is lower than the Maryland state level of 14:1.
Minority enrollment is 98% of the student body (majority Hispanic), which is higher than the Maryland state average of 69% (majority Black and Hispanic).

Quick Facts (2026-27)

  • Grades: 9-12
  • Enrollment: 354 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 98%
  • : 90-94% (Top 50% in MD)
  • : Bottom 50%
  • : ≤5% (Btm 50%)
  • : 6-9% (Btm 50%)
  • : ≤10% (Btm 50%)
  • : International High School @ Largo serves an attendance zone that covers the entire school district in Upper Marlboro, MD, encompassing approximately 498.8 square miles. The typical drive to the school from any point in the zone is about 20-30 minutes, with an average distance of 14.8 miles to the zone's edge and a maximum distance of 24.4 miles to its furthest point.
  • Source: National Center for Education Statistics (NCES), MD Dept. of Education

School Overview

International High School Largo's student population of 354 students has declined by 5% over five school years.
The teacher population of 32 teachers has grown by 14% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
Total Students
354 students
Total Classroom Teachers
32 teachers
Year Founded
2015
School Calendar
School Motto
IHSLA provides diverse learners with a master-centered, experiential, inclusive education.

School Rankings

International High School Largo ranks within the bottom 50% of all 1,338 schools in Maryland (based off of combined math and reading proficiency testing data).
The diversity score of International High School Largo is 0.36, which is less than the diversity score at state average of 0.74. The school's diversity has stayed relatively flat over five school years.
This School
State Level (MD)
#1299 out of 1338 schools
(Bottom 50%)
≤5%
27%
6-9%
45%
≤10%
36%
Student-Teacher Ratio
11:1
14:1
American Indian
n/a
n/a
Asian
14%
7%
Hispanic
79%
24%
Black
5%
32%
White
2%
31%
Hawaiian
n/a
n/a
Two or more races
n/a
6%
All Ethnic Groups
0.36
90-94%
86%
(22-23)
48.9%
32.4%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
92%
46%
Eligible for Reduced Lunch
3%
5%
School Statewide Testing
Source: National Center for Education Statistics (NCES), MD Dept. of Education

School Notes

  • School Mascot: Sea Turtle

Frequently Asked Questions

What is International High School Largo's ranking?
International High School Largo is ranked #1299 out of 1,338 schools, which ranks it among the bottom 50% of public schools in Maryland.
What percent of students have achieved state testing proficiency in math and reading?
≤5% of students have achieved math proficiency (compared to the 27% MD state average), while 6-9% of students have achieved reading proficiency (compared to the 45% MD state average).
What is the graduation rate of International High School Largo?
The graduation rate of International High School Largo is 90-94%, which is higher than the Maryland state average of 86%.
How many students attend International High School Largo?
354 students attend International High School Largo.
What is the racial composition of the student body?
79% of International High School Largo students are Hispanic, 14% of students are Asian, 5% of students are Black, and 2% of students are White.
What is the student-teacher ratio of International High School Largo?
International High School Largo has a student ration of 11:1, which is lower than the Maryland state average of 14:1.
What grades does International High School Largo offer ?
International High School Largo offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is International High School Largo part of?
International High School Largo is part of Prince George's County School District.

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Quick Facts (2026-27)

  • Grades: 9-12
  • Enrollment: 354 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 98%
  • : 90-94% (Top 50%)
  • : Bottom 50%
  • : ≤5% (Btm 50%)
  • : 6-9% (Btm 50%)
  • : ≤10% (Btm 50%)
  • : International High School @ Largo serves an attendance zone that covers the entire school district in Upper Marlboro, MD, encompassing approximately 498.8 square miles. The typical drive to the school from any point in the zone is about 20-30 minutes, with an average distance of 14.8 miles to the zone's edge and a maximum distance of 24.4 miles to its furthest point.
  • Source: National Center for Education Statistics (NCES), MD Dept. of Education

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