Beta You're viewing our redesigned school list. Prefer the classic layout?

Best High Schools in Howard County, MD

At a glance

Schools

18,379

Students

5-star schools

Top rankedRiver Hill High11^th of 227 Maryland high schools

▲

Biggest riser

Reservoir High up 14 spots statewide this year

◉

Smallest classes

Oakland Mills High 13.7 students per teacher

✦

Newly ranked this year

Guilford Park High

SchoolDigger ratings

5★

4★

3★

2★

1 school without a SchoolDigger rating (too few tested students)

See the top-ranked Maryland schools →

Load more schools when map is moved

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 Algebra I (2026)	MCAP Algebra II (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 All Grades	MCAP English Language Arts 10th Grade	MCAP English Language Arts All Grades	MCAP Algebra I End of Course	MCAP Algebra II End of Course	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%)	51.9	66^th of 227 public high schools	70.9%		53.6	58^th of 220 public high schools	73.6%	8	18.7	75.5	75.5	9.0	22.7	$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%)	68.5	25^th of 227 public high schools	89.0%		70.6	23^rd of 220 public high schools	89.5%	2	34.0	84.2	84.2	10.2	43.2	$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%)	63.5	33^rd of 227 public high schools	85.5%		72.7	18^th of 220 public high schools	91.8%	15	26.9	90.0	90.0	13.7	32.3	$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%)	47.5	81^st of 227 public high schools	64.3%		51.3	70^th of 220 public high schools	68.2%	11	12.8	77.1	77.1	9.0	15.6	$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%)	66.7	28^th of 227 public high schools	87.7%		62.9	33^rd of 220 public high schools	85.0%	5	31.8	82.4	82.4	8.6	40.1	$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%)	62.6	37^th of 227 public high schools	83.7%		61.5	36^th of 220 public high schools	83.6%	1	29.7	80.7	80.7	16.4	37.7	$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	126^th of 227 public high schools	44.5%		35.2	121^st of 220 public high schools	45.0%	5	7.8	61.9	61.9	6.2	9.2	$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%)	30.2	143^rd of 227 public high schools	37.0%		32.1	131^st of 220 public high schools	40.5%	12	7.9	54.0	54.0	2.7	12.4	$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%)	81.7	11^th of 227 public high schools	95.2%		78.4	12^th of 220 public high schools	94.5%	1	49.4	93.3	93.3	17.8	58.4	$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%)	40.6	109^th of 227 public high schools	52.0%		36.2	120^th of 220 public high schools	45.5%	11	14.2	62.8	62.8	3.6	22.1	$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%)	11.2	214^th of 227 public high schools	5.7%		10.8	213^th of 220 public high schools	3.2%	1	1.4	13.8	20.0	3.3	0.0	$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%)	52.2	65^th of 227 public high schools	71.4%		47.7	79^th of 220 public high schools	64.1%	14	21.5	73.2	73.2	6.4	28.3	$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%)	73.2	18^th of 227 public high schools	92.1%		76.7	14^th of 220 public high schools	93.6%	4	36.4	89.5	89.5	18.1	43.5	$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%)	32	135^th of 227 public high schools	40.5%					(n/a)	10.8	53.8	53.8	8.1	12.8	$21,328	$961	$20,367

SchoolDigger rankings lists for Maryland:

Elementary Schools Middle Schools High Schools Districts Cities

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.