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Ralph M. Captain Elementary

Public Grades K-5

15^th

SchoolDigger Rank ?

of 900 Missouri Elementary Schools

Better than 98% of Missouri elementary schools

Summary

Ralph M. Captain Elementary is a high-performing public elementary school located in Clayton, Missouri, serving 287 students in grades K-5. The school is part of the Clayton School District, which is ranked 5th out of 367 districts in Missouri and is rated 5 out of 5 stars by SchoolDigger.

Ralph M. Captain Elementary consistently ranks among the top 15-71 elementary schools in Missouri, with a 5-star rating from SchoolDigger. The school's students perform exceptionally well on the Missouri Assessment Program (MAP) tests, with a high percentage of students proficient or better in Mathematics, Science, and English Language Arts across all grade levels, often outperforming the Clayton district and state averages. The school has a relatively low percentage of students eligible for free or reduced-price lunch, ranging from 5.57% to 10.6% over the past few years, indicating a relatively high socioeconomic status of the student population. Additionally, the school maintains a low student-teacher ratio, ranging from 9.1 to 9.8 over the past few years, providing students with more individualized attention.

When comparing Ralph M. Captain Elementary to nearby schools within the Clayton School District, such as Glenridge Elementary and Meramec Elementary, it is evident that these schools share similar high-performing characteristics. However, when comparing Ralph M. Captain Elementary to schools in the neighboring University City School District, the differences become more pronounced, with schools like Pershing Elementary and Jackson Park Elementary having significantly lower academic performance and higher rates of students eligible for free or reduced-price lunch.

286

Students ?

9.2

Student/teacher ratio ?

$25,617

Per pupil spending ?

4.2%

Free/discounted lunch ?

6345 Northwood Ave
Clayton, MO 63105-2220

(314) 854-6100

District: Clayton

Students who attend Ralph M. Captain Elementary usually attend:

Middle:	Wydown Middle
High:	Clayton High

Racial breakdown:

White:

74.5%

Two or more races:

9.1%

African American:

8.0%

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At a glance

▬ Ranking trend: Holding steady — 99th percentile in 2015 → 98th in 2025

Strengths

✓Test scores above the Missouri average (76% vs 42% meeting standards)

✓Ranks in the top 2% of Missouri elementary schools

✓Small classes — about 9 students per teacher

Worth a look

!Some student groups rank well below the school's overall statewide standing

Students meeting standards (2024-2025) ?

This school76%

District avg76%

Missouri avg42%

15^th of 900

Missouri public elementary schools ?

Top 2%▼ down 1 pts since 2015

See the entire ranking list of Missouri Elementary Schools →

★★★★★

SchoolDigger rating ?

2^nd of 3Elementary Schools in the Clayton

5^th of 367Clayton 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)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Missouri percentile	Rating
2025	96.6	15 of 900	98.3%	★★★★★
2024	96.3	15 of 906	98.3%	★★★★★
2023	97.8	10 of 898	98.9%	★★★★★
2022	89.2	71 of 908	92.2%	★★★★★
2021	90.2	58 of 901	93.6%	★★★★★
2019	86.8	88 of 1052	91.6%	★★★★★
2018	91.0	47 of 1045	95.5%	★★★★★
2017	89.1	58 of 1032	94.4%	★★★★★
2016	92.3	21 of 865	97.6%	★★★★★
2015	95.3	12 of 1058	98.9%	★★★★★
2014	96.7	5 of 1089	99.5%	★★★★★
2013	92.3	26 of 1108	97.7%	★★★★★
2012	91.6	29 of 1085	97.3%	★★★★★
2011	91.9	26 of 1088	97.6%	★★★★★
2010	93.0	29 of 1066	97.3%	★★★★★
2009	89.3	62 of 1053	94.1%	★★★★★
2008	89.1	45 of 1084	95.8%	★★★★★
2007	86.4	67 of 1080	93.8%	★★★★★
2006	81.8	112 of 1074	89.6%	★★★★☆

African American

Year	Avg score	Statewide rank	Missouri percentile	Rating
2018	83.4	21 of 243	91.4%	★★★★★

Gifted and Talented

Year	Avg score	Statewide rank	Missouri percentile	Rating
2019	47.7	65 of 91	28.6%	★☆☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Missouri percentile	Rating
2019	46.9	489 of 907	46.1%	★★☆☆☆
2018	57.9	325 of 887	63.4%	★★★☆☆

White

Year	Avg score	Statewide rank	Missouri percentile	Rating
2025	94.7	17 of 666	97.4%	★★★★★
2024	96.0	8 of 668	98.8%	★★★★★
2023	97.9	4 of 673	99.4%	★★★★★
2022	95.0	13 of 675	98.1%	★★★★★
2021	87.8	63 of 691	90.9%	★★★★★
2019	89.8	46 of 917	95.0%	★★★★★
2018	92.3	35 of 898	96.1%	★★★★★

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)

White (2025)97th percentile~ school

African American (2018)91st percentile-4 vs school

Low Socio Economic Status (2019)46th percentile-46 vs school

Gifted and Talented (2019)29th percentile-63 vs school

By subject vs Missouri (2024-2025) ?

Science80%+37 vs state

Mathematics76%+34 vs state

English Language Arts74%+31 vs state

5.0

1 rating

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Schools Near Ralph M. Captain Elementary

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)				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 3rd Grade	MAP Mathematics 4th Grade	MAP Mathematics 5th Grade	MAP Mathematics 6th Grade	MAP Science 5th Grade	MAP English Language Arts 3rd Grade	MAP English Language Arts 4th Grade	MAP English Language Arts 5th Grade	MAP English Language Arts 6th Grade	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Ralph M. Captain Elementary	Public	K-5	6345 Northwood Ave	Clayton	63105	St. Louis County	Clayton	No	No	No	Yes	(314) 854-6100	286	31	9.2	4.2%	213 (74.5%)	23 (8.0%)	9 (3.1%)	15 (5.2%)	0 (0.0%)	0 (0.0%)	26 (9.1%)	96.6	15^th of 900 public elementary schools	98.3%		96.3	15^th of 906 public elementary schools	98.3%		82.0	71.6	73.4		79.5	69.3		79.5		$25,617	$126	$25,491
Glenridge Elementary	Public	K-5	7447 Wellington Way	Clayton	63105	St. Louis County	Clayton	No	No	No	No	(314) 854-6200	321	31	10.3	9.7%	177 (55.1%)	31 (9.7%)	23 (7.2%)	55 (17.1%)	0 (0.0%)	0 (0.0%)	35 (10.9%)	95.3	25^th of 900 public elementary schools	97.2%		96	18^th of 906 public elementary schools	98.0%	7	74.0	66.0	74.1		77.3	73.5	72.9	77.3		$23,741	$149	$23,592
Flynn Park Elementary	Public	K-5	7220 Waterman Ave	University City	63130	St. Louis County	University City	No	No	No	Yes	(314) 290-4421	323	25	12.7	100.0%	98 (30.3%)	164 (50.8%)	20 (6.2%)	10 (3.1%)	2 (0.6%)	0 (0.0%)	29 (9.0%)	47.4	494^th of 900 public elementary schools	45.1%		52.7	421^st of 906 public elementary schools	53.5%	73	35.4	45.9	28.8			43.6	44.3	29.8		$17,164	$858	$16,306
Mrh Elementary	Public	3-6	7314 Glades Avenue	Richmond Heights	63117	St. Louis County	Maplewood-Richmond Heights	No	No	No	Yes	(314) 644-4403	436	39	11.1	20.6%	296 (67.9%)	58 (13.3%)	27 (6.2%)	8 (1.8%)	0 (0.0%)	1 (0.2%)	46 (10.6%)	84.8	120^th of 900 public elementary schools	86.7%		84.2	114^th of 906 public elementary schools	87.4%	6	45.8	59.5	52.9	70.4	64.2	59.0	64.6	66.9	66.6	$16,984	$37	$16,947
Wilkinson Early Childhood Center	Public, Magnet	PK, KG-2	1921 Prather Ave	Saint Louis	63139	St. Louis city	St. Louis City	No	Yes	No	No	(314) 645-1202	304	25	12.1	100.0%	97 (31.9%)	191 (62.8%)	7 (2.3%)	5 (1.6%)	1 (0.3%)	0 (0.0%)	3 (1.0%)								(n/a)										$23,533	$484	$23,049
Meramec Elementary	Public	K-5	400 S Meramec Ave	Clayton	63105	St. Louis County	Clayton	No	No	No	Yes	(314) 854-6300	368	32	11.5	5.2%	243 (66.0%)	27 (7.3%)	12 (3.3%)	47 (12.8%)	4 (1.1%)	0 (0.0%)	35 (9.5%)	97.7	8^th of 900 public elementary schools	99.1%		97.7	7^th of 906 public elementary schools	99.2%	1	76.9	92.5	66.5		81.7	75.3	91.1			$21,626	$125	$21,502
Pershing Elementary	Public	K-5	6761 Bartmer Ave	University City	63130	St. Louis County	University City	No	No	No	Yes	(314) 290-4152	286	27	10.7	100.0%	18 (6.3%)	241 (84.3%)	20 (7.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	7 (2.4%)	12.9	791^st of 900 public elementary schools	12.1%		11.5	816^th of 906 public elementary schools	9.9%	25	17.5	23.1	16.0		20.5	13.5	19.3	18.2		$18,662	$846	$17,816
Jackson Park Elementary	Public	K-5	7400 Balson Ave	University City	63130	St. Louis County	University City	No	No	No	Yes	(314) 290-4451	304	26	11.8	100.0%	50 (16.4%)	203 (66.8%)	23 (7.6%)	4 (1.3%)	0 (0.0%)	1 (0.3%)	23 (7.6%)	39	578^th of 900 public elementary schools	35.8%		40.3	556^th of 906 public elementary schools	38.6%	22	29.1	39.5	31.3		39.5	29.1	39.5	35.4		$18,097	$847	$17,249
KIPP Victory Academy	Public, Charter	K-4	955 Arcade Avenue	Saint Louis	63118	St. Louis city	KIPP St Louis Public Schools	Yes	No	No	Yes	(314) 454-9255	433	33	13.2	100.0%	0 (0.0%)	416 (96.1%)	7 (1.6%)	0 (0.0%)	1 (0.2%)	0 (0.0%)	9 (2.1%)	5.6	872^nd of 900 public elementary schools	3.1%		4.4	890^th of 906 public elementary schools	1.8%	18	11.9	13.8				9.8	4.2			$15,914	$4,150	$11,764
Mrh Early Childhood Center	Public	PK, KG-2	2810 Burgess Avenue	Maplewood	63143	St. Louis County	Maplewood-Richmond Heights	No	No	No	Yes	(314) 644-4405	451	38	11.9	22.2%	323 (71.6%)	52 (11.5%)	27 (6.0%)	9 (2.0%)	0 (0.0%)	0 (0.0%)	40 (8.9%)								(n/a)										$15,296	$32	$15,264

Frequently Asked Questions about Ralph M. Captain Elementary

How many students attend Ralph M. Captain Elementary?

In the 2024-25 school year, 286 students attended Ralph M. Captain Elementary.

What schools do graduates of Ralph M. Captain Elementary attend?

Students who attend Ralph M. Captain Elementary usually go on to attend:

Middle : Wydown Middle
High : Clayton High

What district is Ralph M. Captain Elementary in?

Clayton

What is the racial makeup of Ralph M. Captain Elementary?

Students at Ralph M. Captain Elementary are 74% White, 9% Two or more races, 8% African American, 5% Asian, 3% Hispanic.

Is Ralph M. Captain Elementary a good school?

Yes! Ralph M. Captain Elementary is one of the best elementary schools in the state. It ranks 15^th of 900 Missouri elementary schools.

Rate Ralph M. Captain Elementary!

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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.