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Triadelphia Ridge Elementary

Public Grades PK, KG-5

20^th

SchoolDigger Rank ?

of 864 Maryland Elementary Schools

Better than 98% of Maryland elementary schools

Summary

Triadelphia Ridge Elementary in Ellicott City, MD, is a top-rated school serving 619 students from Pre-K through 5th grade within the Howard County Public Schools district, consistently ranking in the top 3% of all elementary schools in Maryland for the 2025-2026 school year.

This school stands out for its exceptional academic performance and efficiency. It ranks 20th out of 864 schools statewide, outperforming many nearby high-achieving peers like Waverly Elementary (38th), Centennial Lane Elementary (41st), and Clarksville Elementary (64th). Remarkably, Triadelphia Ridge achieves these results with a per-student spending of $18,336, which is lower than several nearby schools, including Longfellow Elementary ($23,238) and West Friendship Elementary ($20,049). The school also boasts an exceptionally low chronic absenteeism rate of 6.9%, less than half the district average of 17.4%, and the lowest among comparable schools like Bushy Park Elementary (7.6%). In science, 71.2% of 5th graders are proficient, far exceeding the state average (32.4%) and the district average (47.9%), and topping peers like Pointers Run Elementary (70.7%).

Triadelphia Ridge has maintained a 5-star rating for every year on record since 2015-2016, never ranking lower than 54th in the state, demonstrating consistent excellence even through the COVID-19 pandemic. The school also shows outstanding performance for its African American students, who ranked 2nd out of 504 schools statewide in the 2020-2021 subgroup rankings. While the school excels overall, there is an opportunity to replicate its success for Asian students (68th percentile) and Special Education students (71st percentile) to ensure top-tier outcomes for all student groups.

619

Students ?

13.9

Student/teacher ratio ?

$18,336

Per pupil spending ?

7.3%

Free/discounted lunch ?

13400 Triadelphia Rd
Ellicott City, MD 21042

(410) 313-2560

District: Howard County Public Schools

Students who attend Triadelphia Ridge Elementary usually attend:

Middle:	Folly Quarter Middle
High:	Glenelg High

Racial breakdown:

Asian:

43.8%

White:

38.1%

African American:

7.1%

See top rated Maryland elementary schools

Compare Triadelphia Ridge Elementary to nearby elementary schools!

At a glance

▬ Ranking trend: Holding steady — 97th percentile in 2016 → 98th in 2026

Strengths

✓Test scores above the Maryland average (77% vs 39% meeting standards)

✓Ranks in the top 2% of Maryland elementary schools

✓Among the top-ranked schools in Howard County Public Schools

Worth a look

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

Students meeting standards (2025-2026) ?

This school77%

District avg53%

Maryland avg39%

20^th of 864

Maryland public elementary schools ?

Top 2%▲ up 1 pts since 2016

See the entire ranking list of Maryland Elementary Schools →

★★★★★

SchoolDigger rating ?

3^rd of 42Elementary Schools in the Howard County Public Schools

4^th of 25Howard County Public Schools among Maryland 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	Maryland percentile	Rating
2026	96.6	20 of 864	97.7%	★★★★★
2025	96.3	22 of 865	97.5%	★★★★★
2024	95.5	32 of 859	96.3%	★★★★★
2023	95.6	32 of 855	96.3%	★★★★★
2022	93.6	54 of 862	93.7%	★★★★★
2021	96.2	33 of 802	95.9%	★★★★★
2019	93.4	50 of 853	94.1%	★★★★★
2018	94.8	40 of 857	95.3%	★★★★★
2017	93.9	45 of 847	94.7%	★★★★★
2016	95.4	24 of 845	97.2%	★★★★★
2015	95.3	26 of 859	97.0%	★★★★★
2014	85.9	56 of 867	93.5%	★★★★★
2013	86.1	31 of 847	96.3%	★★★★★
2012	83.9	56 of 857	93.5%	★★★★★
2011	86.1	41 of 853	95.2%	★★★★★
2010	85.9	47 of 855	94.5%	★★★★★
2009	84.6	62 of 850	92.7%	★★★★★
2008	81.0	118 of 838	85.9%	★★★★☆
2007	8.2	753 of 818	7.9%	☆☆☆☆☆
2006	9.0	747 of 804	7.1%	☆☆☆☆☆
2005	8.4	750 of 805	6.8%	☆☆☆☆☆
2004	5.4	760 of 803	5.4%	☆☆☆☆☆

African American

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	99.8	2 of 504	99.6%	★★★★★

Asian

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	68.9	41 of 128	68.0%	★★★☆☆

Female

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	96.1	23 of 796	97.1%	★★★★★

Male

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	93.5	42 of 788	94.7%	★★★★★

Special Education

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	58.8	40 of 136	70.6%	★★★★☆

White

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	83.2	64 of 528	87.9%	★★★★☆

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 (2021)100th percentile+4 vs school

Female (2021)97th percentile~ school

Male (2021)95th percentile~ school

White (2021)88th percentile-8 vs school

Special Education (2021)71st percentile-25 vs school

Asian (2021)68th percentile-28 vs school

By subject vs Maryland (2025-2026) ?

English Language Arts82%+30 vs state

Mathematics74%+47 vs state

Science71%+39 vs state

★

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Schools Near Triadelphia Ridge Elementary

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Ranking:

E Elementary M Middle H High A Alternative P Private

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

School													Students/Teachers											Ranking (2026)				Ranking (2025)				MCAP Mathematics (2026)				MCAP English Language Arts (2026)				MCAP Science (2026)	Per Pupil Expenditures (2024)
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 (2026)	Statewide Rank (2026)	State Percentile (2026)	SchoolDigger Rating (2026)	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	Rank Change from Previous Year	MCAP Mathematics 3rd Grade	MCAP Mathematics 4th Grade	MCAP Mathematics 5th Grade	MCAP Mathematics All Grades	MCAP English Language Arts 3rd Grade	MCAP English Language Arts 4th Grade	MCAP English Language Arts 5th Grade	MCAP English Language Arts All Grades	MCAP Science 5th Grade	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Triadelphia Ridge Elementary	Public	PK, KG-5	13400 Triadelphia Rd	Ellicott City	21042	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-2560	619	45	13.9	7.3%	236 (38.1%)	44 (7.1%)	26 (4.2%)	271 (43.8%)	3 (0.5%)	0 (0.0%)	39 (6.3%)	96.6	20^th of 864 public elementary schools	97.7%		96.3	22^nd of 865 public elementary schools	97.5%	2	74.5	74.2	74.3	74.3	78.3	84.1	82.9	81.9	71.2	$18,336	$832	$17,504
Dayton Oaks Elementary	Public	PK, KG-5	4691 Ten Oaks Rd	Dayton	21036	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-1571	739	52	14.1	7.6%	343 (46.4%)	79 (10.7%)	46 (6.2%)	189 (25.6%)	0 (0.0%)	0 (0.0%)	82 (11.1%)	95	31^st of 864 public elementary schools	96.4%		93.5	52^nd of 865 public elementary schools	94.0%	21	74.5	61.4	64.4	66.9	78.8	81.1	80.7	80.2	68.1	$19,382	$807	$18,575
West Friendship Elementary	Public	K-5	12500 Frederick Road	West Friendship	21794	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-5512	367	28	12.9	8.2%	215 (58.6%)	24 (6.5%)	27 (7.4%)	78 (21.3%)	0 (0.0%)	1 (0.3%)	21 (5.7%)	96	24^th of 864 public elementary schools	97.2%		97	17^th of 865 public elementary schools	98.0%	7	75.9	74.3	63.2	70.6	72.4	85.7	84.2	81.4	72.4	$20,049	$884	$19,165
Bushy Park Elementary	Public	PK, KG-5	14601 Carrs Mill Rd	Glenwood	21738	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-5500	631	48	13.2	9.4%	419 (66.4%)	38 (6.0%)	57 (9.0%)	78 (12.4%)	0 (0.0%)	0 (0.0%)	39 (6.2%)	93.7	48^th of 864 public elementary schools	94.4%		95.4	33^rd of 865 public elementary schools	96.2%	15	65.1	72.3	57.6	65.4	82.4	83.2	71.7	79.4	62.6	$19,871	$924	$18,947
Manor Woods Elementary	Public	K-5	11575 Frederick Rd	Ellicott City	21042	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-7165	697	51	13.5	16.9%	234 (33.6%)	69 (9.9%)	29 (4.2%)	309 (44.3%)	2 (0.3%)	2 (0.3%)	52 (7.5%)	93.3	53^rd of 864 public elementary schools	93.9%		93.5	50^th of 865 public elementary schools	94.2%	3	77.4	63.4	70.9	70.1	69.8	77.5	71.5	73.1	61.2	$17,481	$692	$16,789
Clarksville Elementary	Public	K-5	12041 Clarksville Pike	Clarksville	21029	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-7050	543	40	13.6	17.7%	161 (29.7%)	96 (17.7%)	49 (9.0%)	202 (37.2%)	0 (0.0%)	1 (0.2%)	34 (6.3%)	92.2	64^th of 864 public elementary schools	92.6%		93.6	48^th of 865 public elementary schools	94.5%	16	67.0	74.2	73.0	71.3	67.6	72.9	75.3	71.8	62.9	$18,787	$1,316	$17,471
Longfellow Elementary	Public	PK, KG-5	5470 Hesperus Dr	Columbia	21044	Howard County	Howard County Public Schools	No	No	No	Yes	(410) 313-6879	446	39	11.4	43.3%	98 (22.0%)	160 (35.9%)	112 (25.1%)	26 (5.8%)	1 (0.2%)	1 (0.2%)	48 (10.8%)	39	489^th of 864 public elementary schools	43.4%		42.3	471^st of 865 public elementary schools	45.5%	18	35.8	25.9	22.5	27.9	47.8	36.7	38.0	40.6	26.4	$23,238	$1,715	$21,523
Swansfield Elementary	Public	PK, KG-5	5610 Cedar Ln	Columbia	21044	Howard County	Howard County Public Schools	No	No	No	Yes	(410) 313-6907	594	52	11.4	38.2%	167 (28.1%)	233 (39.2%)	75 (12.6%)	67 (11.3%)	0 (0.0%)	1 (0.2%)	51 (8.6%)	57.9	342^nd of 864 public elementary schools	60.4%		65.8	285^th of 865 public elementary schools	67.1%	57	41.8	40.4	37.2	39.8	46.8	52.6	44.8	48.6	34.9	$20,540	$1,637	$18,903
Pointers Run Elementary	Public	PK, KG-5	6600 South Trotter Rd	Clarksville	21029	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-7142	835	59	14.1	8.5%	308 (36.9%)	119 (14.3%)	58 (6.9%)	271 (32.5%)	3 (0.4%)	3 (0.4%)	73 (8.7%)	97.2	15^th of 864 public elementary schools	98.3%		96.2	26^th of 865 public elementary schools	97.0%	11	86.2	79.3	76.0	80.3	80.0	82.8	79.2	80.5	70.7	$17,726	$881	$16,845
Centennial Lane Elementary	Public	PK, KG-5	3825 Centennial Ln	Ellicott City	21042	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-2800	749	53	14.0	16.4%	238 (31.8%)	65 (8.7%)	45 (6.0%)	330 (44.1%)	7 (0.9%)	1 (0.1%)	63 (8.4%)	94.2	41^st of 864 public elementary schools	95.3%		90	89^th of 865 public elementary schools	89.7%	48	68.9	71.7	64.5	68.2	75.4	82.5	77.5	78.5	58.7	$16,557	$748	$15,809

Frequently Asked Questions about Triadelphia Ridge Elementary

What schools do graduates of Triadelphia Ridge Elementary attend?

Students who attend Triadelphia Ridge Elementary usually go on to attend:

Middle : Folly Quarter Middle
High : Glenelg High

What district is Triadelphia Ridge Elementary in?

Howard County Public Schools

What is the racial makeup of Triadelphia Ridge Elementary?

Students at Triadelphia Ridge Elementary are 44% Asian, 38% White, 7% African American, 6% Two or more races, 4% Hispanic.

How many students attend Triadelphia Ridge Elementary?

In the 2024-25 school year, 619 students attended Triadelphia Ridge Elementary.

Is Triadelphia Ridge Elementary a good school?

Yes! Triadelphia Ridge Elementary is one of the best elementary schools in the state. It ranks 20^th of 864 Maryland elementary schools.

Rate Triadelphia Ridge Elementary!

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Latest Maryland data All new data »

2025–26 MCAP test scoresJul 28, 2026

2024–25 school spending dataJun 13, 2026

2024–25 attendance data, dropout rates & graduation ratesJun 13, 2026

2024–25 MCAP test scoresAug 26, 2025

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