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

Seneca Valley High

Q: Is Seneca Valley High a good school?

Seneca Valley High ranks 90 th of 227 Maryland high schools. SchoolDigger rates this school 3 stars out of 5.

Public, Magnet Grades 9-12

90^th

SchoolDigger Rank ?

of 227 Maryland High Schools

Better than 60% of Maryland high schools

Summary

Seneca Valley High in Germantown, MD, is a large public high school serving 2,409 students in grades 9-12 as part of the Montgomery County Public Schools district, with nearly half of its students coming from economically disadvantaged backgrounds.

Seneca Valley presents a fascinating contrast in academic performance. The school shows a notable strength in English Language Arts (ELA), with 56.5% of students proficient—very close to the district average of 58.5% and exceeding the state average. This is a significant achievement given its high percentage of students eligible for free or reduced lunch, and it outperforms nearby schools like Gaithersburg High (45.1%) and Watkins Mill High (44.9%). However, this strength is overshadowed by a critical crisis in mathematics, where only 3.8% of students are proficient—dramatically lower than the district average of 36.9% and far below high-performing neighbors like Clarksburg High (17.8%) and Northwest High (17.9%). This massive 52.7 percentage point gap between ELA and math proficiency is far more pronounced at Seneca Valley than at any other nearby school, suggesting a systemic issue in math instruction or curriculum.

Despite these challenges, there are positive signs. The school's graduation rate remains resilient at 86.8%, close to the district average, even though chronic absenteeism is high at 30.7% (compared to the district's 22.6%). Additionally, Seneca Valley's state ranking has shown a clear upward trend over the past decade, climbing from the 34th percentile to the 60th percentile in recent years. The school spends a significant $19,473 per student—higher than many higher-performing peers—indicating that the math challenge isn't simply about funding but may require targeted interventions. For parents, this is a school with clear strengths in literacy and student support, but with an urgent need for improvement in mathematics education and attendance.

2,409

Students ?

15.1

Student/teacher ratio ?

$19,473

Per pupil spending ?

49.2%

Free/discounted lunch ?

19401 Crystal Rock Dr
Germantown, MD 20874-1599

(240) 740-6400

District: Montgomery County Public Schools

Feeder schools for Seneca Valley High:

Elementary:	Dr. Sally K. Ride Elementary
	Lake Seneca Elementary
	Waters Landing Elementary
Middle:	Martin Luther King Junior Middle

Racial breakdown:

African American:

37.0%

Hispanic:

35.7%

White:

11.4%

See top rated Maryland high schools

Compare Seneca Valley High to nearby high schools!

At a glance

▲ Ranking trend: Improving — 49th percentile in 2011 → 60th in 2026

Strengths

✓Ranking is trending up — up 11 percentile points since 2011

✓Above the Maryland median (60th percentile)

Worth a look

!Mathematics scores 23 pts below the Maryland average

Students meeting standards (2025-2026) ?

This school41%

District avg47%

Maryland avg38%

90^th of 227

Maryland public high schools ?

Top 40%▼ down 6 pts since 2016

From top 33% (2016) to top 40% (2026)

See the entire ranking list of Maryland High Schools →

★★★★★

SchoolDigger rating ?

17^th of 26High Schools in the Montgomery County Public Schools

8^th of 25Montgomery 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	44.7	90 of 227	60.4%	★★★☆☆
2025	40.5	105 of 220	52.3%	★★★☆☆
2022	43.1	97 of 225	56.9%	★★★☆☆
2017	31.7	119 of 180	33.9%	★★☆☆☆
2016	62.0	78 of 233	66.5%	★★★☆☆
2015	48.2	128 of 233	45.1%	★★☆☆☆
2014	60.8	131 of 231	43.3%	★★☆☆☆
2013	62.0	90 of 185	51.4%	★★★☆☆
2012	62.9	87 of 187	53.5%	★★★☆☆
2011	56.7	94 of 183	48.6%	★★☆☆☆
2010	71.4	74 of 220	66.4%	★★★☆☆
2009	70.1	77 of 213	63.8%	★★★☆☆
2008	73.2	69 of 214	67.8%	★★★☆☆
2007	62.7	78 of 209	62.7%	★★★☆☆
2006	54.6	94 of 204	53.9%	★★★☆☆
2005	50.0	101 of 204	50.5%	★★★☆☆
2004	47.4	95 of 201	52.7%	★★★☆☆

Female

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	56.2	20 of 31	35.5%	★★☆☆☆

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)

Female (2021)35th percentile

By subject vs Maryland (2025-2026) ?

English Language Arts56%+5 vs state

Mathematics4%-23 vs state

Algebra I4%-17 vs state

★

No ratings yet

Be the first to rate Seneca Valley High and help other families decide.

Rate Seneca Valley High

Have first-hand experience? A quick rating - and a sentence or two about what stands out (teachers, academics, safety, communication) - helps other families know what to expect.

Takes about a minute. We email you a link to verify your review - your address is never shown publicly.

Tap a star to rate

Reviews

No written reviews yet. If you know this school, be the first to share what stands out.

Schools Near Seneca Valley High

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)	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	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Seneca Valley High	Public, Magnet	9-12	19401 Crystal Rock Dr	Germantown	20874	Montgomery County	Montgomery County Public Schools	No	Yes	No	No	(240) 740-6400	2,409	159	15.1	49.2%	274 (11.4%)	892 (37.0%)	861 (35.7%)	269 (11.2%)	3 (0.1%)	0 (0.0%)	105 (4.4%)	44.7	90^th of 227 public high schools	60.4%		40.5	105^th of 220 public high schools	52.3%	15	3.8	56.5	56.5	3.8	$19,473	$1,318	$18,155
Northwest High	Public, Magnet	9-12	13501 Richter Farm Rd	Germantown	20874	Montgomery County	Montgomery County Public Schools	No	Yes	No	No	(240) 740-7100	2,300	138	16.7	36.1%	482 (21.0%)	602 (26.2%)	600 (26.1%)	471 (20.5%)	3 (0.1%)	3 (0.1%)	130 (5.7%)	64.1	31^st of 227 public high schools	86.3%		63.3	31^st of 220 public high schools	85.9%		17.9	73.0	73.0	17.9	$17,959	$1,282	$16,677
Watkins Mill High	Public, Magnet	9-12	10301 Apple Ridge Rd	Gaithersburg	20879	Montgomery County	Montgomery County Public Schools	No	Yes	No	No	(301) 284-4400	1,577	114	13.8	51.7%	86 (5.5%)	355 (22.5%)	955 (60.6%)	130 (8.2%)	4 (0.3%)	2 (0.1%)	43 (2.7%)	25.3	159^th of 227 public high schools	30.0%		25.3	150^th of 220 public high schools	31.8%	9	5.4	44.9	44.9	5.4	$21,020	$1,518	$19,502
Clarksburg High	Public, Magnet	9-12	22500 Wims Rd	Clarksburg	20871	Montgomery County	Montgomery County Public Schools	No	Yes	No	No	(240) 740-6000	2,241	131	17.0	36.9%	308 (13.7%)	625 (27.9%)	614 (27.4%)	572 (25.5%)	7 (0.3%)	3 (0.1%)	104 (4.6%)	56.8	55^th of 227 public high schools	75.8%		50	73^rd of 220 public high schools	66.8%	18	17.8	69.1	69.1	17.8	$18,789	$1,206	$17,583
Quince Orchard High	Public	9-12	15800 Quince Orchard Rd	Gaithersburg	20878	Montgomery County	Montgomery County Public Schools	No	No	No	No	(240) 740-3600	2,100	131	16.0	38.0%	656 (31.2%)	312 (14.9%)	769 (36.6%)	224 (10.7%)	4 (0.2%)	0 (0.0%)	124 (5.9%)	61.1	42^nd of 227 public high schools	81.5%		48.3	77^th of 220 public high schools	65.0%	35	11.2	74.2	74.2	11.2	$18,368	$914	$17,454
Gaithersburg High	Public, Magnet	9-12	101 Education Blvd	Gaithersburg	20877	Montgomery County	Montgomery County Public Schools	No	Yes	No	No	(301) 284-4500	2,441	175	13.9	55.7%	206 (8.4%)	485 (19.9%)	1,527 (62.6%)	145 (5.9%)	3 (0.1%)	2 (0.1%)	70 (2.9%)	28.5	148^th of 227 public high schools	34.8%		24.3	153^rd of 220 public high schools	30.5%	5	10.8	45.1	45.1	10.8	$20,333	$1,272	$19,061
Damascus High	Public	9-12	25921 Ridge Rd	Damascus	20872	Montgomery County	Montgomery County Public Schools	No	No	No	No	(240) 207-2400	1,390	86	16.1	30.6%	526 (37.8%)	186 (13.4%)	426 (30.6%)	152 (10.9%)	1 (0.1%)	2 (0.1%)	95 (6.8%)	60	45^th of 227 public high schools	80.2%		54.6	51^st of 220 public high schools	76.8%	6	5.0	73.2	73.2	5.0	$20,784	$1,610	$19,174
Thomas S. Wootton High	Public	9-12	2100 Wootton Pkwy	Rockville	20850	Montgomery County	Montgomery County Public Schools	No	No	No	No	(240) 740-1500	1,870	101	18.5	13.4%	635 (34.0%)	238 (12.7%)	174 (9.3%)	700 (37.4%)	3 (0.2%)	1 (0.1%)	113 (6.0%)	80.4	12^th of 227 public high schools	94.7%		83.1	7^th of 220 public high schools	96.8%	5	8.6	87.0	87.0	8.6	$17,926	$1,166	$16,760
Col. Zadok Magruder High	Public, Magnet	9-12	5939 Muncaster Mill Rd	Rockville	20855	Montgomery County	Montgomery County Public Schools	No	Yes	No	No	(240) 740-5550	1,671	109	15.3	48.2%	343 (20.5%)	321 (19.2%)	734 (43.9%)	195 (11.7%)	3 (0.2%)	0 (0.0%)	71 (4.2%)	46.1	86^th of 227 public high schools	62.1%		43.5	94^th of 220 public high schools	57.3%	8	1.9	63.0	63.0	1.9	$20,372	$1,605	$18,767
Poolesville High	Public, Magnet	9-12	17501 W Willard Rd	Poolesville	20837	Montgomery County	Montgomery County Public Schools	No	Yes	No	No	(240) 740-2400	1,351	67	20.2	12.1%	493 (36.5%)	109 (8.1%)	130 (9.6%)	512 (37.9%)	2 (0.1%)	1 (0.1%)	102 (7.5%)	85.5	5^th of 227 public high schools	97.8%		87.9	2^nd of 220 public high schools	99.1%	3	15.5	94.5	94.5	15.5	$17,621	$1,014	$16,607

Frequently Asked Questions about Seneca Valley High

What is the racial makeup of Seneca Valley High?

Students at Seneca Valley High are 37% African American, 36% Hispanic, 11% White, 11% Asian, 4% Two or more races.

What district is Seneca Valley High in?

Montgomery County Public Schools

What schools feed into Seneca Valley High?

Seneca Valley High is fed by the following schools:

Elementary : Dr. Sally K. Ride Elementary
Elementary : Lake Seneca Elementary
Elementary : Waters Landing Elementary
Middle : Martin Luther King Junior Middle

Is Seneca Valley High a good school?

Seneca Valley High ranks 90^th of 227 Maryland high schools. SchoolDigger rates this school 3 stars out of 5.

How many students attend Seneca Valley High?

In the 2024-25 school year, 2,409 students attended Seneca Valley High.

Rate Seneca Valley High!

Other helpful SchoolDigger resources...

Compare to nearby schools

MDMaryland High School Rankings

MDMaryland District Rankings

Schools in Germantown, MD

Sign up for updates!

Be the first to know when there is an update for Seneca Valley High!

Latest Maryland data All new data »

2025–26 MCAP test scoresNewJul 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.