Below Average
#2452 of 2,648 schools in NC
Sun Valley High
High School · Union County Public Schools
5211 Old Charlotte Hwy, Monroe, NC 28110
Enrollment
1,383
Student-Teacher
17.7:1
Score
4.1
Grades
9th – 12th
Enrollment
1,383
Student-Teacher
17.7:1
Score
4.1
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Monroe
#22 of 25
public schools
North Carolina high schools
#481 of 579
In district
#50 of 52
Union County Public Schools
About Sun Valley High
Sun Valley High serves 1,383 students in grades 9-12 in Monroe, North Carolina, with a student-teacher ratio of 17.7:1 across 78 full-time equivalent teachers. The school earns a solid 6.5 out of 10 MySchoolScout rating and ranks #959 out of 2,661 North Carolina high schools, placing it in the 64th percentile statewide. Academically, Sun Valley High demonstrates particular strength in English Language Arts, where 60% of students score proficient or above across grade levels.
Mathematics shows room for growth, with 49% of students achieving proficiency. The school's overall academic score of 7.7 out of 10 reflects its commitment to student development across core subjects. The school draws from a stable suburban community in Union County, where the median household income reaches $81,495 and median home values average $265,100.
With a relatively low poverty rate of 8.9% in the surrounding 28110 ZIP code, families in this area of over 54,000 residents have established strong economic foundations, though 22% hold bachelor's degrees or higher. Sun Valley High sits along Old Charlotte Highway in Monroe's large suburban setting, serving a growing community that balances small-town charm with proximity to Charlotte's metropolitan opportunities.
Score Breakdown
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Sun Valley High — Students at Sun Valley High score 42% proficient, which is below what's typical for similar communities (expected: 61%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
43.9%
Students qualifying for federal meal assistance
Test Scores NC NC (2024-25)
Based on 6 test records from NC state assessments. About our data
Proficiency Trend
↓ DecliningAverage 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: 1.8/10.
How Sun Valley High Compares
See how Sun Valley High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 54% (2019) to 24.8% (2025). Reading/ELA proficiency has improved from 55% (2019) to 60.1% (2025).
Location
5211 Old Charlotte Hwy, Monroe, NC 28110
Nearby Alternatives
Families considering Sun Valley High may also want to explore other high schools in the area. Wesley Chapel Elementary (rated 8.3/10, 3.2 miles away), which scores notably higher. Another option is Rocky River Elementary (rated 7.9/10, 4.1 miles away), which scores notably higher. Additionally, ARBORBROOK CHRISTIAN ACADEMY (rated 7.6/10, 3.3 miles away, in nearby Matthews), which scores notably higher. For more schools in Monroe, see our Monroe schools guide .
Nearby Schools
20 within 4.8 mi| School | Distance | Rating |
|---|---|---|
| Sun Valley Middle Indian Trail | 0.4 mi | 7.5 |
| Shiloh Valley Primary School Monroe | 0.5 mi | 6.2 |
| Shiloh Valley Elementary Monroe | 0.7 mi | 5.8 |
| Union County Early College Monroe | 1.7 mi | 6.6 |
| Sardis Elementary Monroe | 2.2 mi | 7.4 |
| ABUNDANT LIFE CHRISTIAN ACADEMY Indian Trail | 2.1 mi | 5.5 |
| Union Prep Academy at Indian Trail Indian Trail | 2.6 mi | 6.0 |
| Indian Trail Elementary Indian Trail | 2.6 mi | 5.7 |
| METROLINA CHRISTIAN ACADEMY Indian Trail | 2.8 mi | 4.3 |
| METROLINA CHRISTIAN ACADEMY Indian Trail | 2.8 mi | 3.9 |
| Wesley Chapel Elementary Monroe | 3.2 mi | 8.3 |
| ARBORBROOK CHRISTIAN ACADEMY Matthews | 3.3 mi | 7.6 |
| Poplin Elementary Indian Trail | 3.7 mi | 6.4 |
| SHANDS SCHOOL Matthews | 4.1 mi | — |
| Rocky River Elementary Monroe | 4.1 mi | 7.9 |
| Stallings Elementary Stallings | 4.5 mi | 7.5 |
| Hemby Bridge Elementary Indian Trail | 4.5 mi | 7.2 |
| Monroe Charter Academy Monroe | 3.9 mi | 2.6 |
| FIRST ASSEMBLY CHRISTIAN SCHOOL Monroe | 4.2 mi | 7.2 |
| Matthews Charter Academy Matthews | 4.8 mi | 6.7 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 28110 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$81,221
Median Home Value
$302,600
Median Rent
$1,313/mo
Population
55,807
College Educated
23.7%
Homeownership
75.4%
Avg Commute
30.9 min
Poverty Rate
11%
Median Age
36.9
Community Profile
The community surrounding Sun Valley High has a median household income of $81,221. It is a community where 24% of adults hold a bachelor's degree or higher. The median home value in the area is $302,600, with a median rent of $1,313/month. The area has a poverty rate of 11.0%. The average commute for residents is 31 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Bunn High Bunn, NC | 4.1 |
| Central Cabarrus High Concord, NC | 4.1 |
| Gray's Creek High Hope Mills, NC | 4.1 |
| Knightdale High Knightdale, NC | 4.1 |
| Northside High Jacksonville, NC | 4.1 |
| Oak Grove High Winston-Salem, NC | 4.1 |
Frequently Asked Questions
Common questions about Sun Valley High
What grades does Sun Valley High serve?
Sun Valley High serves students in grades 9th through 12th.
How many students attend Sun Valley High?
Sun Valley High has an enrollment of approximately 1,383 students.
What is the student-teacher ratio at Sun Valley High?
The student-teacher ratio at Sun Valley High is 17.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Sun Valley High rank in NC?
Sun Valley High is ranked #2452 out of 2,648 schools in NC.
What is Sun Valley High's MySchoolScout rating?
Sun Valley High has a composite rating of 4.1 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 Sun Valley High?
Based on the most recent state assessment data, Sun Valley High has 45.3% math proficiency and 59.0% reading/ELA proficiency.
Is Sun Valley High a charter school?
No, Sun Valley High is not a charter school. It is a traditional public school operated by the local school district.
Is Sun Valley High a Title I school?
No, Sun Valley High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Sun Valley High?
43.9% of students at Sun Valley High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Monroe). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,383
- Student-Teacher Ratio
- 17.7:1
- Teachers (FTE)
- 78
- Free/Reduced Lunch
- 43.9%
- Type
- regular
- Setting
- Large Suburb
- County
- Union County
- Phone
- (704) 296-3020
- Data Year
- 2023–2024
Resources & Links
District
Union County Public Schools- District Enrollment
- 41,687
- Schools in District
- 52
- Per-Pupil Spending
- $11,340
- District Rank
- #50 of 52
Other Schools in This District
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.
Read our full methodologyRelated reading
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