Average
#858 of 1,363 schools in MD
International High School @ Largo
High School · Prince George's County Public Schools
505 Largo Rd, Upper Marlboro, MD 20772
Enrollment
362
Student-Teacher
12.1:1
Score
5.9
Grades
9th – 12th
Enrollment
362
Student-Teacher
12.1:1
Score
5.9
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Upper Marlboro
#11 of 16
public schools
Maryland high schools
#50 of 226
In district
#118 of 194
Prince George's County Public Schools
School environment
9.6 / 10
Exceptional
About International High School @ Largo
International High School @ Largo is a public high school in Upper Marlboro, Prince George's County, Maryland. The school serves students from ninth to twelfth grade and has an enrollment of 362 students with a student-to-teacher ratio of 12.1:1, indicating a relatively small class size compared to many other schools. With 30 full-time teachers, the school aims to provide personalized attention to each student.
The academic performance at International High School @ Largo shows room for improvement. According to MySchoolScout ratings and state rankings, the school is rated 3.7 out of 10 overall, placing it in the 18th percentile among Maryland schools. In terms of proficiency rates, only 12% of students are proficient or above in ELA/Reading, while just 4% meet this standard in Math.
Despite these challenges, International High School @ Largo is situated in a large suburban area and offers a supportive community for its diverse student body. The school’s setting provides access to various resources and opportunities within the Upper Marlboro region.
What Parents Should Know
While current test scores at International High School @ Largo are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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International High School @ Largo — Students at International High School @ Largo score 13% proficient, which is below what's typical for similar communities (expected: 17%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
89.8%
Students qualifying for federal meal assistance
Test Scores MD MCAP (2024-25)
Based on 7 test records from MD state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.1/10.
How International High School @ Largo Compares
See how International High School @ Largo performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 7.5% (2019) to 2.5% (2022). Reading/ELA proficiency has improved from 12% (2019) to 24.1% (2025).
Location
505 Largo Rd, Upper Marlboro, MD 20772
Nearby Alternatives
Families considering International High School @ Largo may also want to explore other high schools in the area. Academy of Health Sciences at PGCC (rated 5.7/10, 0.6 miles away, in nearby Largo), with a very similar rating. Another option is Charles Herbert Flowers High (rated 4.0/10, 3.2 miles away, in nearby Springdale), a more accessible option. Additionally, Largo High (rated 3.9/10), a more accessible option. For more schools in Upper Marlboro, see our Upper Marlboro schools guide .
Nearby Schools
20 within 3.2 mi| School | Distance | Rating |
|---|---|---|
| Largo High Upper Marlboro | 0.0 mi | 3.9 |
| Kettering Elementary Upper Marlboro | 0.4 mi | 5.6 |
| EDIFIED CHRISTIAN PREPARATORY ACADEMY Upper Marlboro | 0.6 mi | 6.5 |
| Academy of Health Sciences at PGCC Largo | 0.6 mi | 5.7 |
| Kettering Middle Upper Marlboro | 0.7 mi | 6.7 |
| Lake Arbor Elementary Mitchellville | 1.3 mi | 7.5 |
| Phyllis E. Williams Elementary Seabrook | 1.1 mi | 9.1 |
| DIVINE PEACE ELEMENTARY SCHOOL Largo | 1.3 mi | 4.4 |
| Ernest Everett Just Middle Mitchellville | 1.5 mi | 5.8 |
| Kingsford Elementary Mitchellville | 1.9 mi | 4.4 |
| RIVERDALE BAPTIST SCHOOL Upper Marlboro | 1.9 mi | 6.4 |
| WOODSTREAM CHRISTIAN ACADEMY Mitchellville | 2.2 mi | 6.8 |
| FOUNDATION LEARNING CENTER THE Landover | 2.0 mi | 6.2 |
| Perrywood Elementary Upper Marlboro | 1.9 mi | 6.2 |
| H Winship Wheatley E C C Capitol Heights | 2.0 mi | 7.3 |
| Thomas G. Pullen Landover | 2.1 mi | 5.8 |
| Arrowhead Elementary Upper Marlboro | 2.4 mi | 6.0 |
| Charles Herbert Flowers High Springdale | 3.2 mi | 4.0 |
| Ardmore Elementary Springdale | 3.6 mi | 7.1 |
| G. James Gholson Middle Landover | 3.2 mi | 4.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 20772 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$135,576
Median Home Value
$443,500
Median Rent
$2,045/mo
Population
52,768
College Educated
45.6%
Homeownership
89.6%
Avg Commute
39.1 min
Poverty Rate
3.9%
Median Age
42
Community Profile
The community surrounding International High School @ Largo has a median household income of $135,576. It is a well-educated community where 46% of adults hold a bachelor's degree or higher. The median home value in the area is $443,500, with a median rent of $2,045/month. The local poverty rate of 3.9% is relatively low. The average commute in the area is 39 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Baltimore School for the Arts Baltimore, MD | 6.0 |
| Excel Academy at Francis M. Wood High Baltimore, MD | 6.0 |
| Snow Hill High Snow Hill, MD | 5.8 |
| Academy of Health Sciences at PGCC Largo, MD | 5.7 |
| Northern Garrett High School Accident, MD | 5.7 |
| Reginald F. Lewis High Baltimore, MD | 5.7 |
Frequently Asked Questions
Common questions about International High School @ Largo
What grades does International High School @ Largo serve?
International High School @ Largo serves students in grades 9th through 12th.
How many students attend International High School @ Largo?
International High School @ Largo has an enrollment of approximately 362 students.
What is the student-teacher ratio at International High School @ Largo?
The student-teacher ratio at International High School @ Largo is 12.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does International High School @ Largo rank in MD?
International High School @ Largo is ranked #858 out of 1,363 schools in MD.
What is International High School @ Largo's MySchoolScout rating?
International High School @ Largo has a composite rating of 5.9 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at International High School @ Largo?
Based on the most recent state assessment data, International High School @ Largo has 4.2% math proficiency and 11.5% reading/ELA proficiency.
Is International High School @ Largo a charter school?
No, International High School @ Largo is not a charter school. It is a traditional public school operated by the local school district.
Is International High School @ Largo a Title I school?
No, International High School @ Largo is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for International High School @ Largo?
89.8% of students at International High School @ Largo qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 362
- Student-Teacher Ratio
- 12.1:1
- Teachers (FTE)
- 30
- Free/Reduced Lunch
- 89.8%
- Type
- regular
- Setting
- Large Suburb
- County
- Prince George's County
- Phone
- (301) 702-3810
- Data Year
- 2023–2024
Resources & Links
District
Prince George's County Public Schools- District Enrollment
- 131,310
- Schools in District
- 199
- Per-Pupil Spending
- $19,789
- District Rank
- #118 of 194
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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