High Schools in Howard County Public Schools

Summary:

The Howard County Public Schools district in Maryland is home to 13 high schools serving students in grades 9-12. These schools vary significantly in size, with student populations ranging from 131 at Homewood School to 1,729 at Reservoir High. The district is known for its strong academic performance, with several schools consistently ranking among the top high schools in the state.

Three schools stand out as top performers within the district: Marriotts Ridge High, River Hill High, and Glenelg High. These schools boast impressive test scores, with proficiency rates in English Language Arts and Algebra II well above the district average. They also have low rates of students receiving free or reduced-price lunch, indicating a relatively affluent student population.

While the district as a whole maintains a high four-year graduation rate of 93.5%, there is a concerning issue of chronic absenteeism, with an average rate of 17.3% across all high schools. Additionally, the data reveals a significant performance gap between the top-performing and lower-performing schools, suggesting opportunities for the district to learn from the best practices of its highest-achieving institutions and implement them more broadly.

District Detail

10910 Clarksville Pike
Ellicott City, MD 21042

(410) 313-6600

SchoolDigger Rank:
4^th of 25 Maryland districts

See the 2025 Maryland District rankings!

Grades served: PK, KG-12
Students: 57,565

Primary Schools: 42
Middle Schools: 20
High Schools: 15
Alternative Schools: 1

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				MCAP Mathematics (2025)		MCAP English Language Arts (2025)			MCAP Algebra I (2025)	MCAP Algebra II (2025)	MCAP Science (2025)	MCAP Social Studies (2025)	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 (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	MCAP Mathematics 8th Grade	MCAP Mathematics All Grades	MCAP English Language Arts 8th Grade	MCAP English Language Arts 10th Grade	MCAP English Language Arts All Grades	MCAP Algebra I End of Course	MCAP Algebra II End of Course	MCAP Science 8th Grade	MCAP Social Studies 8th Grade	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Atholton High	Public	9-12	6520 Freetown Rd	Columbia	21044	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-7065	1,540	92	16.7	22.9%	412 (26.8%)	497 (32.3%)	217 (14.1%)	288 (18.7%)	1 (0.1%)	2 (0.1%)	118 (7.7%)	53.6	58^th of 220 public high schools	73.6%		44.9	73^rd of 146 public high schools	50.0%	15		17.5		76.3	76.3	7.1	22.1			$18,240	$836	$17,404
Centennial High	Public	9-12	4300 Centennial Ln	Ellicott City	21042	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-2856	1,377	81	17.0	18.5%	455 (33.0%)	185 (13.4%)	107 (7.8%)	547 (39.7%)	3 (0.2%)	2 (0.1%)	74 (5.4%)	70.6	23^rd of 220 public high schools	89.5%		77.4	10^th of 146 public high schools	93.2%	13		33.3		83.6	83.6	15.3	41.4			$17,982	$875	$17,107
Glenelg High	Public	9-12	14025 Burnt Woods Rd	Glenelg	21737	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-5528	1,363	79	17.2	10.2%	805 (59.1%)	81 (5.9%)	104 (7.6%)	273 (20.0%)	4 (0.3%)	4 (0.3%)	87 (6.4%)	72.7	18^th of 220 public high schools	91.8%		71.8	12^th of 146 public high schools	91.8%	6		33.0		92.1	92.1	14.0	39.9			$18,024	$840	$17,184
Hammond High	Public	9-12	8800 Guilford Rd	Columbia	21046	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-7615	1,159	81	14.3	37.4%	239 (20.6%)	514 (44.3%)	192 (16.6%)	128 (11.0%)	1 (0.1%)	0 (0.0%)	83 (7.2%)	51.3	70^th of 220 public high schools	68.2%		39.5	91^st of 146 public high schools	37.7%	21		13.5		78.4	78.4	5.5	20.7			$20,375	$1,025	$19,351
Howard High	Public	9-12	8700 Old Annapolis Rd	Ellicott City	21043	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-2867	1,493	96	15.5	20.2%	518 (34.7%)	348 (23.3%)	94 (6.3%)	418 (28.0%)	2 (0.1%)	3 (0.2%)	108 (7.2%)	62.9	33^rd of 220 public high schools	85.0%		58.7	35^th of 146 public high schools	76.0%	2		28.5		78.2	78.2	10.4	36.5			$19,053	$880	$18,174
Mount Hebron High	Public	9-12	9440 Old Frederick Road	Ellicott City	21042	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-2880	1,455	93	15.6	19.2%	543 (37.3%)	197 (13.5%)	142 (9.8%)	506 (34.8%)	5 (0.3%)	3 (0.2%)	54 (3.7%)	61.5	36^th of 220 public high schools	83.6%		61.9	27^th of 146 public high schools	81.5%	9		27.2		77.2	77.2	15.9	32.4			$18,995	$885	$18,110
Oakland Mills High	Public	9-12	9410 Kilimanjaro Rd	Columbia	21045	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-6945	1,413	103	13.7	43.2%	227 (16.1%)	628 (44.4%)	314 (22.2%)	119 (8.4%)	4 (0.3%)	2 (0.1%)	112 (7.9%)	35.2	121^st of 220 public high schools	45.0%		32.9	114^th of 146 public high schools	21.9%	7		5.8		63.7	63.7	3.1	7.6			$20,779	$1,052	$19,727
Wilde Lake High	Public	9-12	5460 Trumpeter Rd	Columbia	21044	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-6965	1,197	86	13.9	42.6%	264 (22.1%)	534 (44.6%)	208 (17.4%)	78 (6.5%)	3 (0.3%)	5 (0.4%)	101 (8.4%)	32.1	131^st of 220 public high schools	40.5%		36.7	98^th of 146 public high schools	32.9%	33		7.8		55.3	55.3	5.1	9.6			$21,629	$1,004	$20,625
River Hill High	Public	9-12	12101 Clarksville Pike	Clarksville	21029	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-7120	1,383	78	17.7	7.7%	457 (33.0%)	182 (13.2%)	76 (5.5%)	586 (42.4%)	4 (0.3%)	2 (0.1%)	72 (5.2%)	78.4	12^th of 220 public high schools	94.5%		81.2	6^th of 146 public high schools	95.9%	6		41.3		88.1	88.1	11.4	48.1			$17,496	$854	$16,643
Long Reach High	Public	9-12	6101 Old Dobbin Ln	Columbia	21045	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-7117	1,334	97	13.7	37.6%	312 (23.4%)	367 (27.5%)	399 (29.9%)	154 (11.5%)	2 (0.1%)	2 (0.1%)	94 (7.0%)	36.2	120^th of 220 public high schools	45.5%		36	100^th of 146 public high schools	31.5%	20		8.6		61.2	61.2	1.5	14.1			$20,610	$892	$19,718
Homewood School	Public	6-12	10914 Clarksville Pike	Ellicott City	21042	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-7081	109	43	2.5	45.9%	36 (33.0%)	40 (36.7%)	18 (16.5%)	5 (4.6%)	0 (0.0%)	0 (0.0%)	9 (8.3%)	10.8	213^th of 220 public high schools	3.2%		14.1	139^th of 146 public high schools	4.8%	74	0.0	0.0	15.4	17.6	16.7	0.0	0.0	0.0	16.7	$81,791	$2,291	$79,501
Reservoir High	Public	9-12	11550 Scaggsville Rd	Fulton	20759	Howard County	Howard County Public Schools	No	No	No	No	(410) 888-8850	1,597	108	14.8	26.2%	362 (22.7%)	522 (32.7%)	306 (19.2%)	295 (18.5%)	2 (0.1%)	3 (0.2%)	103 (6.4%)	47.7	79^th of 220 public high schools	64.1%		49.9	57^th of 146 public high schools	61.0%	22		15.0		71.6	71.6	8.1	19.5			$17,951	$816	$17,135
Marriotts Ridge High	Public	9-12	12100 Woodford Dr	Marriottsville	21104	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-5568	1,741	99	17.5	15.5%	533 (30.6%)	205 (11.8%)	80 (4.6%)	835 (48.0%)	5 (0.3%)	1 (0.1%)	79 (4.5%)	76.7	14^th of 220 public high schools	93.6%		74.4	11^th of 146 public high schools	92.5%	3		40.7		87.5	87.5	24.6	47.9			$16,985	$750	$16,235
Applications and Research Laboratory	Public	9-12	10920 Clarksville Pike	Ellicott City	21042	Howard County	Howard County Public Schools	No	No	No	No	(410) 313-6698	0	33	.0		0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)
Guilford Park High	Public	9-12	8500 Ridgelys Run Rd	Jessup	20794	Howard County	Howard County Public Schools	No	(n/a)	No	(n/a)	(410) 313-7430	1,218	78	15.6	45.2%	222 (18.2%)	465 (38.2%)	300 (24.6%)	158 (13.0%)	2 (0.2%)	5 (0.4%)	63 (5.2%)								(n/a)		11.9		57.7	57.7	9.3	14.0			$21,328	$961	$20,367

Districts nearby

District	Distance	# of Schools	Statewide Rank
Baltimore County Public Schools	5.33 mi	179	17^th
Baltimore City Public Schools	8.91 mi	157	24^th
Anne Arundel County Public Schools	9.28 mi	130	13^th
Carroll County Public Schools	9.73 mi	44	2^nd
Prince George's County Public Schools	10.16 mi	204	22^nd

See the top MD Maryland districts

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.