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Thayer Senior High

Q: Is Thayer Senior High a good school?

Thayer Senior High ranks 131 st of 367 Missouri high schools. SchoolDigger rates this school 3 stars out of 5.

Public Grades 7-12

131^st

SchoolDigger Rank ?

of 367 Missouri High Schools

Better than 64% of Missouri high schools

Summary

Thayer Senior High is a public high school located in Thayer, Missouri, serving grades 7-12 with a total enrollment of 345 students. The school is part of the Thayer R-II School District, which is ranked 80 out of 367 districts in Missouri and is rated 4 stars out of 5 by SchoolDigger.

Thayer Senior High consistently outperforms the state average in MAP test proficiency across various subjects and grade levels, including Mathematics, Science, and English Language Arts. For example, in the 2024-2025 school year, Thayer Senior High's 8th-grade Mathematics proficiency rate was 45%, compared to the state average of 32.7%. The school also performs well in End-of-Course exams, with higher proficiency rates than the state in subjects like Algebra I, English I, and Geometry. Additionally, Thayer Senior High has maintained a high four-year graduation rate, ranging from 96.0% to 97.8% over the past few years, consistently exceeding the state average.

Compared to the nearby schools of Alton High, Couch High, and Koshkonong High, Thayer Senior High stands out with its higher academic performance, graduation rates, and lower chronic absenteeism. The nearby schools generally have lower proficiency rates, lower graduation rates, and higher chronic absenteeism, indicating that Thayer Senior High is providing a stronger educational experience for its students.

359

Students ?

11.8

Student/teacher ratio ?

$11,322

Per pupil spending ?

54.3%

Free/discounted lunch ?

401 E Walnut St
Thayer, MO 65791-1533

(417) 264-4600

District: Thayer R-II

Feeder schools for Thayer Senior High:

Elementary:

Thayer Elementary

Racial breakdown:

White:

95.5%

Hispanic:

3.1%

African American:

0.6%

See top rated Missouri high schools

Compare Thayer Senior High to nearby high schools!

At a glance

▼ Ranking trend: Declining — 81st percentile in 2015 → 64th in 2025

Strengths

✓Test scores above the Missouri average (49% vs 41% meeting standards)

✓97% graduate within 4 years

✓Above the Missouri median (64th percentile)

Worth a look

!Ranking has slipped — down 17 percentile points since 2015

!Geometry scores 28 pts below the Missouri average

Students meeting standards (2024-2025) ?

This school49%

District avg49%

Missouri avg41%

Middle school

112^th of 438

Missouri public middle schools ?

Top 26%▲ up 2 pts since 2015

See the entire ranking list of Missouri Middle Schools →

★★★★★

SchoolDigger rating ?

High school

131^st of 367

Missouri public high schools ?

Top 36%▼ down 17 pts since 2015

From top 19% (2015) to top 36% (2025)

See the entire ranking list of Missouri High Schools →

★★★★★

SchoolDigger rating ?

80^th of 367Thayer R-II among Missouri districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Middle school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Missouri percentile	Rating
2025	69.3	112 of 438	74.4%	★★★★☆
2024	84.0	50 of 451	88.9%	★★★★☆
2023	92.4	18 of 459	96.1%	★★★★★
2022	93.7	12 of 459	97.4%	★★★★★
2021	69.2	106 of 454	76.7%	★★★★☆
2019	56.9	231 of 587	60.6%	★★★☆☆
2018	63.0	163 of 552	70.5%	★★★★☆
2017	63.2	178 of 568	68.7%	★★★☆☆
2016	59.4	162 of 435	62.8%	★★★☆☆
2015	65.8	162 of 585	72.3%	★★★★☆
2014	71.3	136 of 633	78.5%	★★★★☆
2013	56.8	269 of 649	58.6%	★★★☆☆
2012	76.2	89 of 623	85.7%	★★★★☆
2011	86.5	34 of 625	94.6%	★★★★★
2010	79.2	76 of 614	87.6%	★★★★☆
2009	83.9	36 of 601	94.0%	★★★★★
2008	48.8	356 of 624	42.9%	★★☆☆☆
2007	39.7	443 of 624	29.0%	★☆☆☆☆
2006	56.6	223 of 619	64.0%	★★★☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Missouri percentile	Rating
2025	69.2	80 of 369	78.3%	★★★★☆
2024	85.4	22 of 378	94.2%	★★★★★
2019	87.9	13 of 482	97.3%	★★★★★
2018	78.7	32 of 422	92.4%	★★★★★

White

Year	Avg score	Statewide rank	Missouri percentile	Rating
2025	59.7	122 of 358	65.9%	★★★☆☆
2024	78.7	53 of 379	86.0%	★★★★☆
2023	88.2	31 of 385	91.9%	★★★★★
2022	88.8	24 of 381	93.7%	★★★★★
2021	59.0	129 of 376	65.7%	★★★☆☆
2019	52.4	214 of 527	59.4%	★★★☆☆
2018	59.0	154 of 479	67.8%	★★★☆☆

High school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Missouri percentile	Rating
2025	53.5	131 of 367	64.3%	★★★☆☆
2024	62.4	90 of 378	76.2%	★★★★☆
2023	45.9	163 of 352	53.7%	★★★☆☆
2022	52.3	140 of 361	61.2%	★★★☆☆
2021	46.4	169 of 358	52.8%	★★★☆☆
2019	52.7	169 of 460	63.3%	★★★☆☆
2018	80.6	24 of 468	94.9%	★★★★★
2017	71.6	89 of 404	78.0%	★★★★☆
2016	57.3	145 of 401	63.8%	★★★☆☆
2015	68.0	95 of 504	81.2%	★★★★☆
2014	81.6	16 of 521	96.9%	★★★★★
2013	73.9	39 of 523	92.5%	★★★★★
2012	78.6	29 of 522	94.4%	★★★★★
2011	66.0	103 of 528	80.5%	★★★★☆
2010	52.1	240 of 516	53.5%	★★★☆☆
2009	65.9	90 of 507	82.2%	★★★★☆
2008	62.8	165 of 539	69.4%	★★★☆☆
2007	36.5	403 of 538	25.1%	★☆☆☆☆
2006	33.9	416 of 534	22.1%	★☆☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Missouri percentile	Rating
2022	59.5	81 of 250	67.6%	★★★☆☆
2019	58.9	95 of 368	74.2%	★★★★☆
2018	88.1	8 of 382	97.9%	★★★★★

White

Year	Avg score	Statewide rank	Missouri percentile	Rating
2025	55.6	99 of 306	67.6%	★★★☆☆
2024	59.9	79 of 321	75.4%	★★★★☆
2023	43.0	132 of 302	56.3%	★★★☆☆
2022	49.9	107 of 310	65.5%	★★★☆☆
2021	42.3	158 of 309	48.9%	★★☆☆☆
2019	48.6	172 of 430	60.0%	★★★☆☆
2018	78.0	33 of 440	92.5%	★★★★★

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)

Middle school

Low Socio Economic Status (2025)78th percentile+4 vs school

White (2025)66th percentile-9 vs school

High school

White (2025)68th percentile+3 vs school

Low Socio Economic Status (2022)68th percentile+6 vs school

By subject vs Missouri (2024-2025) ?

English I77%+11 vs state

Algebra I55%+9 vs state

Science49%+10 vs state

Mathematics45%+12 vs state

English Language Arts42%~ state avg

Geometry36%-28 vs state

★

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Schools Near Thayer Senior High

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				MAP Mathematics (2025)			MAP Science (2025)	MAP English Language Arts (2025)			MAP Algebra I (2025)	MAP Biology I (2025)	MAP English I (2025)	MAP Geometry (2025)	Per Pupil Expenditures (2025)
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	MAP Mathematics 6th Grade	MAP Mathematics 7th Grade	MAP Mathematics 8th Grade	MAP Science 8th Grade	MAP English Language Arts 6th Grade	MAP English Language Arts 7th Grade	MAP English Language Arts 8th Grade	MAP Algebra I End of Course	MAP Biology I End of Course	MAP English I End of Course	MAP Geometry End of Course	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Thayer Senior High	Public	7-12	401 E Walnut St	Thayer	65791	Oregon County	Thayer R-II	No	No	No	No	(417) 264-4600	359	30	11.8	54.3%	343 (95.5%)	2 (0.6%)	11 (3.1%)	1 (0.3%)	2 (0.6%)	0 (0.0%)	0 (0.0%)	53.5	131^st of 367 public high schools	64.3%		62.4	90^th of 378 public high schools	76.2%	41			45.0	49.2		31.4	50.6	54.7		77.4	36.2	$11,322	$154	$11,168
Koshkonong High	Public	9-12	School St	Koshkonong	65692	Oregon County	Oregon-Howell R-III	No	No	No	No	(417) 867-5601	86	10	8.5	70.9%	75 (87.2%)	1 (1.2%)	6 (7.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	4 (4.7%)	9.6	333^rd of 367 public high schools	9.3%					(n/a)								10.1	11.8			$17,888	$937	$16,951
Couch High	Public	7-12	22206 Mo 142	Myrtle	65778	Oregon County	Couch R-I	No	No	No	Yes	(417) 938-4212	92	11	8.0	64.1%	84 (91.3%)	3 (3.3%)	2 (2.2%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	3 (3.3%)								(n/a)												$19,643	$2,127	$17,517
Alton High	Public	6-12	505 School Street	Alton	65606	Oregon County	Alton R-IV	No	No	No	No	(417) 778-7215	281	30	9.2	56.9%	272 (96.8%)	1 (0.4%)	6 (2.1%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (0.7%)	42.8	193^rd of 367 public high schools	47.4%		28.5	271^st of 378 public high schools	28.3%	78	29.5	46.2	36.6	26.7	35.2	41.4		27.3	35.8			$14,489	$617	$13,873

Frequently Asked Questions about Thayer Senior High

What schools feed into Thayer Senior High?

Thayer Senior High is fed by the following schools:

Elementary : Thayer Elementary

What district is Thayer Senior High in?

Thayer R-II

How many students attend Thayer Senior High?

In the 2024-25 school year, 359 students attended Thayer Senior High.

What is the racial makeup of Thayer Senior High?

Students at Thayer Senior High are 96% White, 3% Hispanic.

Is Thayer Senior High a good school?

Thayer Senior High ranks 131^st of 367 Missouri high schools. SchoolDigger rates this school 3 stars out of 5.

Rate Thayer Senior High!

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Schools in Thayer, MO

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