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North Union High School

Public Grades 9-12

16^th

SchoolDigger Rank ?

of 340 Iowa High Schools

Better than 95% of Iowa high schools

Summary

North Union High School is a public high school located in Armstrong, Iowa, serving grades 9-12 with a total enrollment of 186 students. The school is part of the North Union Community School District, which is ranked 7th out of 313 districts in Iowa and has a 5-star rating from SchoolDigger.

North Union High School consistently outperforms the state average in academic proficiency across various subjects and grade levels. For example, in the 2024-2025 school year, the school had 97.7% of 10th-grade students proficient or better in English Language Arts, compared to the state average of 74.7%. The school also maintains high four-year graduation rates, ranging from 87.5% to 97.4% over the past few years, which are consistently above the state average. Additionally, North Union High School has a relatively low student-teacher ratio, ranging from 11.5 to 13.2 over the past few years, indicating a more personalized learning environment for students.

While Graettinger-Terril High School and Estherville Lincoln Central High School serve smaller student populations and have lower spending per student, North Union High School outperforms these nearby schools in various metrics. The school's performance has shown an upward trend over the years, with its SchoolDigger rating improving from 1 star in 2018-2019 to 5 stars in 2024-2025, indicating the school's commitment to providing a high-quality education for its students.

170

Students ?

10.6

Student/teacher ratio ?

$15,647

Per pupil spending ?

45.9%

Free/discounted lunch ?

600 4th Ave
Armstrong, IA 50514-0075

(712) 868-3542

District: North Union Community School District

Feeder schools for North Union High School:

Elementary:

North Union Elementary

Racial breakdown:

White:

88.2%

Hispanic:

5.9%

Two or more races:

3.5%

See top rated Iowa high schools

Compare North Union High School to nearby high schools!

At a glance

▲ Ranking trend: Improving — 63rd percentile in 2015 → 95th in 2025

Strengths

✓Test scores above the Iowa average (86% vs 69% meeting standards)

✓Ranks in the top 5% of Iowa high schools

✓94% graduate in 4 years — above the Iowa average (88%)

Students meeting standards (2024-2025) ?

This school86%

District avg86%

Iowa avg69%

16^th of 340

Iowa public high schools ?

Top 5%▲ up 32 pts since 2015

From top 37% (2015) to top 5% (2025)

See the entire ranking list of Iowa High Schools →

★★★★★

SchoolDigger rating ?

7^th of 313North Union Community School District among Iowa 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

Year	Avg score	Statewide rank	Iowa percentile	Rating
2025	84.2	16 of 340	95.3%	★★★★★
2024	75.4	58 of 338	82.8%	★★★★☆
2023	70.8	79 of 336	76.5%	★★★★☆
2022	60.0	137 of 332	58.7%	★★★☆☆
2021	60.9	123 of 327	62.4%	★★★☆☆
2019	34.0	247 of 327	24.5%	★☆☆☆☆
2018	9.7	297 of 320	7.2%	☆☆☆☆☆
2017	9.0	308 of 325	5.2%	☆☆☆☆☆
2016	35.1	238 of 320	25.6%	★☆☆☆☆
2015	66.4	120 of 324	63.0%	★★★☆☆
2014	14.2	291 of 322	9.6%	☆☆☆☆☆
2013	57.3	175 of 351	50.1%	★★★☆☆
2012	40.5	256 of 351	27.1%	★☆☆☆☆

By subject vs Iowa (2024-2025) ?

Science93%+26 vs state

English Language Arts92%+19 vs state

Mathematics77%+11 vs state

★

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Schools Near North Union High School

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				ISASP English Language Arts (2025)			ISASP Mathematics (2025)			ISASP Science (2025)	Per Pupil Expenditures (2019)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	ISASP English Language Arts 9th Grade	ISASP English Language Arts 10th Grade	ISASP English Language Arts 11th Grade	ISASP Mathematics 9th Grade	ISASP Mathematics 10th Grade	ISASP Mathematics 11th Grade	ISASP Science 10th Grade	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
North Union High School	Public	9-12	600 4th Ave	Armstrong	50514	Emmet County	North Union Community School District	No	(n/a)	No	No	(712) 868-3542	170	16	10.6	45.9%	150 (88.2%)	0 (0.0%)	10 (5.9%)	3 (1.8%)	1 (0.6%)	0 (0.0%)	6 (3.5%)	84.2	16^th of 340 public high schools	95.3%		75.4	58^th of 338 public high schools	82.8%	42	92.5	97.7	85.7	77.5	79.5	74.3	93.2	$15,647	$203	$15,444
Estherville Lincoln Central High School	Public	9-12	1520 Central Ave	Estherville	51334	Emmet County	Estherville Lincoln Central Community School District	No	(n/a)	No	No	(712) 362-2659	359	26	13.7	47.1%	240 (66.9%)	1 (0.3%)	105 (29.2%)	1 (0.3%)	0 (0.0%)	1 (0.3%)	11 (3.1%)	29.8	276^th of 340 public high schools	18.8%		40	238^th of 338 public high schools	29.6%	38	68.6	73.7	48.8	64.0	63.2	57.1	53.9	$15,835	$277	$15,559
Graettinger-Terril High School	Public	9-12	205 S Lincoln Ave	Graettinger	51342	Palo Alto County	Graettinger-Terril Community School District	No	(n/a)	No	No	(712) 859-3286	128	12	10.8	46.1%	121 (94.5%)	0 (0.0%)	5 (3.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (1.6%)	27	283^rd of 340 public high schools	16.8%		38	244^th of 338 public high schools	27.8%	39	69.0	70.8	59.3	51.7	66.7	48.1	58.3	$20,099	$233	$19,868

Frequently Asked Questions about North Union High School

What district is North Union High School in?

North Union Community School District

What schools feed into North Union High School?

North Union High School is fed by the following schools:

Elementary : North Union Elementary

How many students attend North Union High School?

In the 2024-25 school year, 170 students attended North Union High School.

What is the racial makeup of North Union High School?

Students at North Union High School are 88% White, 6% Hispanic, 4% Two or more races, 2% Asian.

Is North Union High School a good school?

Yes! North Union High School is one of the best high schools in the state. It ranks 16^th of 340 Iowa high schools.

Rate North Union High School!

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IAIowa High School Rankings

IAIowa District Rankings

Schools in Armstrong, IA

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Iowa Department of Education.

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.