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Sun Valley High

Public Grades 9-12
314th
SchoolDigger Rank ?
of 662 North Carolina High Schools
Better than 53% of North Carolina high schools
Summary

Sun Valley High is a comprehensive public high school in Monroe, NC, serving about 1,272 students in grades 9–12 as part of Union County Public Schools, a district that ranks in the top 20% of North Carolina’s school systems. Within that strong district, Sun Valley currently ranks 314th out of 662 high schools statewide (53rd percentile)—a meaningful decline from its top-quartile position a decade ago, though the school has stabilized in recent years and is now hovering near the statewide median.

Academically, Sun Valley is a mixed picture. Its graduation rate of 93.3% is nearly identical to the district rate (93.4%) and well above the state average (88.8%), while chronic absenteeism has improved steadily to 21.1%—now below the state figure of 24.2%. End-of-course test scores, however, trail district averages in every tested subject. Biology is the biggest concern, at 49.3% proficiency versus 71.9% districtwide, while Math III is a clear bright spot at 80.5%. Math I also improved dramatically, jumping from 24.5% to 51.5% proficient in the latest year. For comparison, nearby Weddington High (76th) and Cuthbertson High (101st) rank higher in the state; Sun Valley serves a student body in which 46.15% qualify for free or reduced-price lunch, a far higher economic-need level than those neighboring schools.

The school also shows notable success with specific student groups: African American students, English Language Learners, and special education students all rank in the 65th–73rd percentiles compared with their peers statewide—a real strength. The Multiracial subgroup ranks at the 11th percentile, though small student counts mean those results should be interpreted cautiously. Families may also appreciate Sun Valley’s 16.1:1 student-teacher ratio, which is lower than most nearby comprehensive high schools. All told, Sun Valley is best described as a solid mid-tier school: it graduates students at a high rate, supports attendance and several student subgroups effectively, and posts strong results in higher-level math, while overall academic proficiency—especially in Biology—remains its clearest opportunity for growth.

1,272
Students ?
16.1
Student/teacher ratio ?
$8,375
Per pupil spending ?
46.1%
Free/discounted lunch ?
 5211 Old Charlotte Hwy
       Monroe, NC  28110-7343

(704) 296-3020

District: Union County Public Schools


Feeder schools for Sun Valley High:

Elementary:    Indian Trail Elementary
    Shiloh Valley Elementary
    Shiloh Valley Primary School
Middle:    Sun Valley Middle
Racial breakdown:

White:
46.3%
African American:
23.6%
Hispanic:
22.7%
more
 See top rated North Carolina high schools

 Compare Sun Valley High to nearby high schools!
At a glance
▼ Ranking trend: Declining — 79th percentile in 2016 → 53rd in 2026
Strengths
✓93% graduate in 4 years — above the North Carolina average (89%)
✓Above the North Carolina median (53rd percentile)
Worth a look
!Ranking has slipped — down 26 percentile points since 2016
!Some student groups rank well below the school's overall statewide standing
Students meeting standards (2025-2026) ?
This school62%
District avg74%
North Carolina avg60%
314th of 662
North Carolina public high schools ?
Top 47%▼ down 26 pts since 2016
From top 21% (2016) to top 47% (2026)
See the entire ranking list of North Carolina High Schools →
★★★★★
SchoolDigger rating ?
3rd of 5High Schools in the Union County Public Schools
43rd of 246Union County Public Schools among North Carolina districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankNorth Carolina percentileRating
202652.4314 of 66252.6%★★★☆☆
202545.1339 of 64147.1%★★☆☆☆
202442.6352 of 64045.0%★★☆☆☆
202346.2312 of 62650.2%★★★☆☆
202236.6382 of 62138.5%★★☆☆☆
202147.0295 of 59450.3%★★★☆☆
201949.4213 of 51458.6%★★★☆☆
201861.9136 of 46971.0%★★★★☆
201765.7102 of 47678.6%★★★★☆
201659.4108 of 50778.7%★★★★☆
201564.5100 of 53181.2%★★★★☆
201461.5111 of 45175.4%★★★★☆
201344.8186 of 50563.2%★★★☆☆
201246.9258 of 50248.6%★★☆☆☆
201160.8174 of 50665.6%★★★☆☆
201063.1155 of 49968.9%★★★☆☆
200966.5104 of 49078.8%★★★★☆
200860.5143 of 47770.0%★★★★☆
200763.8113 of 45375.1%★★★★☆
200669.478 of 43181.9%★★★★☆

African American

YearAvg scoreStatewide rankNorth Carolina percentileRating
202664.0121 of 45073.1%★★★★☆
202545.8203 of 44053.9%★★★☆☆
202435.6270 of 43738.2%★★☆☆☆
202346.5185 of 43457.4%★★★☆☆
202234.0262 of 43039.1%★★☆☆☆
202148.8119 of 36467.3%★★★☆☆
201949.0122 of 36966.9%★★★☆☆
201859.388 of 35975.5%★★★★☆

Disabled

YearAvg scoreStatewide rankNorth Carolina percentileRating
202242.3154 of 33053.3%★★★☆☆
202144.6146 of 33456.3%★★★☆☆
201948.1144 of 36460.4%★★★☆☆
201844.1157 of 34955.0%★★★☆☆

English Language Learner

YearAvg scoreStatewide rankNorth Carolina percentileRating
202655.197 of 28966.4%★★★☆☆
202569.933 of 27387.9%★★★★☆
202463.445 of 26282.8%★★★★☆
202358.058 of 22674.3%★★★★☆
202244.562 of 15660.3%★★★☆☆
202135.978 of 12437.1%★★☆☆☆
201958.437 of 17378.6%★★★★☆

Female

YearAvg scoreStatewide rankNorth Carolina percentileRating
202651.9303 of 62951.8%★★★☆☆
202546.2328 of 61046.2%★★☆☆☆
202447.2306 of 60249.2%★★☆☆☆
202346.0311 of 58847.1%★★☆☆☆
202236.8365 of 59438.6%★★☆☆☆
202144.0221 of 47553.5%★★★☆☆
201945.4235 of 47550.5%★★★☆☆
201862.7144 of 44967.9%★★★☆☆

Gifted and Talented

YearAvg scoreStatewide rankNorth Carolina percentileRating
202658.7216 of 40746.9%★★☆☆☆
202555.3238 of 41242.2%★★☆☆☆
202465.1151 of 40362.5%★★★☆☆
202337.5318 of 40321.1%★☆☆☆☆
202244.6283 of 39828.9%★☆☆☆☆
202167.596 of 33771.5%★★★★☆
201959.3133 of 32559.1%★★★☆☆
201861.135 of 10065.0%★★★☆☆

Hispanic

YearAvg scoreStatewide rankNorth Carolina percentileRating
202649.2202 of 47457.4%★★★☆☆
202543.7228 of 46250.6%★★★☆☆
202445.1219 of 45451.8%★★★☆☆
202344.2226 of 44949.7%★★☆☆☆
202242.2225 of 43648.4%★★☆☆☆
202153.399 of 37073.2%★★★★☆
201941.5166 of 35453.1%★★★☆☆
201847.1151 of 34055.6%★★★☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankNorth Carolina percentileRating
202647.5287 of 62053.7%★★★☆☆
202539.8331 of 60645.4%★★☆☆☆
202439.0340 of 61344.5%★★☆☆☆
202348.5250 of 59758.1%★★★☆☆
202231.3361 of 54433.6%★★☆☆☆
202147.0139 of 43267.8%★★★☆☆
201945.1175 of 44660.8%★★★☆☆
201856.5112 of 42473.6%★★★★☆

Male

YearAvg scoreStatewide rankNorth Carolina percentileRating
202650.3305 of 62451.1%★★★☆☆
202542.2328 of 60145.4%★★☆☆☆
202437.8370 of 60739.0%★★☆☆☆
202345.7300 of 60250.2%★★★☆☆
202235.3368 of 58537.1%★★☆☆☆
202148.8184 of 48161.7%★★★☆☆
201950.4189 of 48861.3%★★★☆☆
201859.7149 of 46367.8%★★★☆☆

Multi-racial

YearAvg scoreStatewide rankNorth Carolina percentileRating
202617.8235 of 26511.3%★☆☆☆☆
202544.3151 of 25340.3%★★☆☆☆
202425.7214 of 26118.0%★☆☆☆☆
202333.7179 of 24928.1%★☆☆☆☆
202225.2186 of 22617.7%★☆☆☆☆
202148.798 of 19950.8%★★★☆☆
201961.467 of 19565.6%★★★☆☆
201886.614 of 18592.4%★★★★★

Special Education

YearAvg scoreStatewide rankNorth Carolina percentileRating
202652.3130 of 37265.1%★★★☆☆
202548.3137 of 35261.1%★★★☆☆
202424.9287 of 34917.8%★☆☆☆☆

White

YearAvg scoreStatewide rankNorth Carolina percentileRating
202651.7276 of 55149.9%★★★☆☆
202544.9295 of 54245.6%★★☆☆☆
202444.0313 of 55343.4%★★☆☆☆
202347.1279 of 53748.0%★★☆☆☆
202232.9372 of 53430.3%★★☆☆☆
202139.4233 of 43946.9%★★☆☆☆
201944.3224 of 44449.5%★★★☆☆
201852.1188 of 42756.0%★★★☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
African American (2026)73rd percentile+21 vs school
English Language Learner (2026)66th percentile+14 vs school
Special Education (2026)65th percentile+12 vs school
Hispanic (2026)57th percentile+5 vs school
Low Socio Economic Status (2026)54th percentile~ school
Disabled (2022)53rd percentile+15 vs school
Female (2026)52nd percentile~ school
Male (2026)51st percentile~ school
White (2026)50th percentile-3 vs school
Gifted and Talented (2026)47th percentile-6 vs school
Multi-racial (2026)11th percentile-41 vs school
By subject vs North Carolina (2025-2026) ?
Math III80%+12 vs state
English II65%~ state avg
Math I52%+9 vs state
Biology49%-9 vs state

5.0
5 ratings · 1 written review
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What people are saying
by a parent
Sunday, April 12, 2015

Open Quote Our daughter was redistricted to Sun Valley this school year. Initially, we were reluctant as we were happy with the school she had been attending. Much to our surprise, the transition was not only smooth, it has been very positive. Our daughter is thriving both academically and socially. From administration to teachers, she has been welcomed. Her classes have been challenging and she has thrived. We could not be more thrilled. I encourage all prospective students / parents to talk with current students / parents. You will be astonished at the overwhelming sense of community and pride - which is just a bonus on top of the quality education in your child's future at Sun Valley. Welcome to Sun Valley Spartans!! Close Quote





Schools Near Sun Valley High

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Frequently Asked Questions about Sun Valley High

Students at Sun Valley High are 46% White, 24% African American, 23% Hispanic, 5% Two or more races, 2% Asian.

Sun Valley High is fed by the following schools:

Elementary : Indian Trail Elementary
Elementary : Shiloh Valley Elementary
Elementary : Shiloh Valley Primary School
Middle : Sun Valley Middle

In the 2024-25 school year, 1,272 students attended Sun Valley High.

Sun Valley High ranks 314th of 662 North Carolina high schools. SchoolDigger rates this school 3 stars out of 5.

Rate Sun Valley High!



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Latest North Carolina data All new data »
2017–18 through 2025–26 attendance data & graduation ratesSep 2, 2026
2025–26 EOC & EOG test scoresSep 2, 2026
2016–17 through 2024–25 graduation ratesSep 3, 2025
2024–25 EOC & EOG test scoresSep 3, 2025


SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the North Carolina Dept of Public Instruction.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

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