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Mountain House High

Public Grades 9-12

85^th

SchoolDigger Rank ?

of 2,162 California High Schools

Better than 96% of California high schools

Summary

Mountain House High is a large, high-performing public high school serving grades 9–12 with about 2,400 students in the newer community of Mountain House, California, and is part of the highly-ranked Lammersville Joint Unified school district.

The school consistently earns top marks, ranking in the 96th percentile statewide with exceptional academic results: over 80% of students are proficient in English and about two-thirds are proficient in math and science, figures that are significantly higher than nearby schools like John C. Kimball High or Livermore High. It also boasts a near-perfect 99% graduation rate, a 0% dropout rate, and very low chronic absenteeism, all of which outperform other comprehensive high schools in the area, including those in the Tracy Joint Unified district.

While the school excels overall, it's important to note that performance for some student subgroups, particularly special education students, has been inconsistent and is an area for potential growth. Furthermore, the school achieves these outstanding results with moderate per-student spending and a higher student-teacher ratio than many neighboring schools, suggesting efficient use of resources within its supportive district.

2,428

Students ?

25.1

Student/teacher ratio ?

$18,519

Per pupil spending ?

10.8%

Free/discounted lunch ?

1090 South Central Pkwy.
Mountain House, CA 95391-1353

(209) 836-7460

District: Lammersville Joint Unified

Feeder schools for Mountain House High:

Elementary:	Altamont Elementary
	Bethany Elementary
	Hansen Elementary
	Julius Cordes Elementary
	More...
	Lammersville Elementary
	Sebastian Questa Elementary
	Wicklund Elementary

Racial breakdown:

Asian:

61.9%

White:

13.2%

Hispanic:

12.3%

See top rated California high schools

Compare Mountain House High to nearby high schools!

At a glance

▲ Ranking trend: Improving — 84th percentile in 2016 → 96th in 2025

Strengths

✓Test scores above the California average (70% vs 41% meeting standards)

✓Ranks in the top 4% of California high schools

✓99% graduate in 4 years — above the California average (88%)

Worth a look

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

!Large classes — about 25 students per teacher

Students meeting standards (2024-2025) ?

This school70%

District avg72%

California avg41%

85^th of 2,162

California public high schools ?

Top 4%▲ up 12 pts since 2016

From top 16% (2016) to top 4% (2025)

See the entire ranking list of California High Schools →

★★★★★

SchoolDigger rating ?

103^rd of 1,543Lammersville Joint Unified among California 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	California percentile	Rating
2025	95.6	85 of 2162	96.1%	★★★★★
2024	94.3	124 of 2159	94.3%	★★★★★
2023	95.1	108 of 2170	95.0%	★★★★★
2022	92.5	159 of 2123	92.5%	★★★★★
2021	90.8	122 of 1290	90.5%	★★★★★
2019	84.2	288 of 2133	86.5%	★★★★☆
2018	90.2	196 of 2017	90.3%	★★★★★
2017	84.6	325 of 2021	83.9%	★★★★☆
2016	83.6	318 of 2039	84.4%	★★★★☆

African American

Year	Avg score	Statewide rank	California percentile	Rating
2025	66.1	144 of 523	72.5%	★★★★☆
2024	75.1	98 of 517	81.0%	★★★★☆
2023	88.8	48 of 521	90.8%	★★★★★
2022	75.3	93 of 522	82.2%	★★★★☆
2019	73.2	120 of 592	79.7%	★★★★☆
2018	78.1	119 of 582	79.6%	★★★★☆

Asian

Year	Avg score	Statewide rank	California percentile	Rating
2025	81.2	98 of 585	83.2%	★★★★☆
2024	80.9	91 of 573	84.1%	★★★★☆
2023	82.2	91 of 591	84.6%	★★★★☆
2022	76.4	142 of 581	75.6%	★★★★☆
2019	77.7	120 of 582	79.4%	★★★★☆
2018	74.1	168 of 581	71.1%	★★★★☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2022	55.5	335 of 1161	71.1%	★★★★☆
2021	44.2	253 of 555	54.4%	★★★☆☆
2019	51.3	397 of 1117	64.5%	★★★☆☆
2018	49.6	394 of 1052	62.5%	★★★☆☆

English Language Learner

Year	Avg score	Statewide rank	California percentile	Rating
2024	49.7	352 of 1085	67.6%	★★★☆☆
2023	76.8	78 of 1064	92.7%	★★★★★
2022	97.0	13 of 1044	98.8%	★★★★★

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	95.0	74 of 1906	96.1%	★★★★★
2024	92.9	126 of 1915	93.4%	★★★★★
2023	94.5	105 of 1915	94.5%	★★★★★
2022	90.9	166 of 1858	91.1%	★★★★★
2021	92.6	69 of 1054	93.5%	★★★★★
2019	77.2	368 of 1833	79.9%	★★★★☆
2018	89.4	170 of 1760	90.3%	★★★★★

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2025	75.1	394 of 1900	79.3%	★★★★☆
2024	76.3	368 of 1902	80.7%	★★★★☆
2023	88.8	157 of 1917	91.8%	★★★★★
2022	81.9	232 of 1861	87.5%	★★★★☆
2019	76.5	319 of 1814	82.4%	★★★★☆
2018	67.7	536 of 1742	69.2%	★★★☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2025	85.8	230 of 2013	88.6%	★★★★☆
2024	73.7	430 of 2026	78.8%	★★★★☆
2023	86.1	234 of 2030	88.5%	★★★★☆
2022	71.3	420 of 1943	78.4%	★★★★☆
2021	75.2	231 of 1126	79.5%	★★★★☆
2019	72.1	435 of 1937	77.5%	★★★★☆
2018	80.2	319 of 1862	82.9%	★★★★☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	95.0	92 of 1942	95.3%	★★★★★
2024	94.1	119 of 1948	93.9%	★★★★★
2023	95.1	111 of 1963	94.3%	★★★★★
2022	92.6	141 of 1916	92.6%	★★★★★
2021	83.8	180 of 1122	84.0%	★★★★☆
2019	86.3	225 of 1880	88.0%	★★★★☆
2018	88.4	215 of 1834	88.3%	★★★★☆

Multi-racial

Year	Avg score	Statewide rank	California percentile	Rating
2025	63.1	212 of 577	63.3%	★★★☆☆
2024	19.4	460 of 574	19.9%	★☆☆☆☆
2023	60.1	222 of 541	59.0%	★★★☆☆
2022	42.3	307 of 515	40.4%	★★☆☆☆
2019	44.8	253 of 422	40.0%	★★☆☆☆
2018	38.6	240 of 366	34.4%	★★☆☆☆

Special Education

Year	Avg score	Statewide rank	California percentile	Rating
2025	31.2	851 of 1252	32.0%	★★☆☆☆
2024	24.7	976 of 1216	19.7%	★☆☆☆☆
2023	60.3	307 of 1197	74.4%	★★★★☆

White

Year	Avg score	Statewide rank	California percentile	Rating
2025	82.1	169 of 1155	85.4%	★★★★☆
2024	70.5	338 of 1173	71.2%	★★★★☆
2023	71.8	323 of 1193	72.9%	★★★★☆
2022	66.5	369 of 1204	69.4%	★★★☆☆
2019	52.2	593 of 1222	51.5%	★★★☆☆
2018	76.1	284 of 1173	75.8%	★★★★☆

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 (2025)96th percentile~ school

Male (2025)95th percentile~ school

Low Socio Economic Status (2025)89th percentile-7 vs school

White (2025)85th percentile-11 vs school

Asian (2025)83rd percentile-13 vs school

Hispanic (2025)79th percentile-17 vs school

African American (2025)72nd percentile-24 vs school

Disabled (2022)71st percentile-21 vs school

English Language Learner (2024)68th percentile-27 vs school

Multi-racial (2025)63rd percentile-33 vs school

Special Education (2025)32nd percentile-64 vs school

By subject vs California (2024-2025) ?

English Language Arts/Literacy81%+32 vs state

Mathematics67%+29 vs state

Science63%+31 vs state

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Schools Near Mountain House High

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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 (2025)				Ranking (2024)				CAST Science (2025)			Smarter Balanced Assessments English Language Arts/Literacy (2025)		Smarter Balanced Assessments Mathematics (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	CAST Science 11th Grade	CAST Science 12th Grade	CAST Science All Grades	Smarter Balanced Assessments English Language Arts/Literacy 11th Grade	Smarter Balanced Assessments English Language Arts/Literacy All Grades	Smarter Balanced Assessments Mathematics 11th Grade	Smarter Balanced Assessments Mathematics All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Mountain House High	Public	9-12	1090 South Central Pkwy.	Mountain House	95391	San Joaquin County	Lammersville Joint Unified	No	(n/a)	No	(n/a)	(209) 836-7460	2,428	96	25.1	10.8%	320 (13.2%)	127 (5.2%)	298 (12.3%)	1,504 (61.9%)	15 (0.6%)	11 (0.5%)	150 (6.2%)	95.6	85^th of 2162 public high schools	96.1%		94.3	124^th of 2159 public high schools	94.3%	39	64.0		63.4	80.8	80.8	66.6	66.6	$18,519	$18,326	$193
John C. Kimball High	Public	9-12	3200 Jaguar Run	Tracy	95377	San Joaquin County	Tracy Joint Unified	No	(n/a)	No	(n/a)	(209) 832-6600	1,587	67	23.5	53.7%	255 (16.1%)	96 (6.0%)	536 (33.8%)	581 (36.6%)	6 (0.4%)	16 (1.0%)	89 (5.6%)	74.6	499^th of 2162 public high schools	76.9%		77.5	446^th of 2159 public high schools	79.3%	53	32.3	51.4	39.8	65.4	65.4	35.7	35.7	$19,152	$18,822	$330
Merrill F. West High	Public	9-12	1775 West Lowell Ave.	Tracy	95376	San Joaquin County	Tracy Joint Unified	No	(n/a)	No	(n/a)	(209) 830-3370	1,920	90	21.4	75.8%	219 (11.4%)	89 (4.6%)	1,113 (58.0%)	391 (20.4%)	8 (0.4%)	27 (1.4%)	68 (3.5%)	58.5	861^st of 2162 public high schools	60.2%		51.8	964^th of 2159 public high schools	55.3%	103	29.3		29.1	61.3	61.3	24.5	24.5	$21,043	$20,510	$533
George and Evelyn Stein Continuation	Public	9-12	650 West 10th St.	Tracy	95376	San Joaquin County	Tracy Joint Unified	No	(n/a)	No	(n/a)	(209) 830-3395	121	10	11.7	86.8%	19 (15.7%)	9 (7.4%)	77 (63.6%)	7 (5.8%)	1 (0.8%)	1 (0.8%)	6 (5.0%)	11.2	1955^th of 2162 public high schools	9.6%		10.9	2015^th of 2159 public high schools	6.7%	60		3.5	3.5	8.0	8.0	2.0	2.0	$53,715	$51,890	$1,825
Duncan-Russell Community Day	Public	7-12	650 W. 10th St.	Tracy	95376	San Joaquin County	Tracy Joint Unified	No	(n/a)	No	(n/a)	(209) 830-3395	22	3	8.4	86.4%	4 (18.2%)	5 (22.7%)	12 (54.5%)	0 (0.0%)	0 (0.0%)	1 (4.5%)	0 (0.0%)								(n/a)								$94,175	$88,484	$5,691
Millennium Charter	Public, Charter	9-12	51 East Beverly Pl.	Tracy	95376	San Joaquin County	Millennium Charter District	Yes	(n/a)	No	(n/a)	(209) 290-0511	436	27	16.2	22.5%	79 (18.1%)	20 (4.6%)	242 (55.5%)	72 (16.5%)	0 (0.0%)	0 (0.0%)	23 (5.3%)	86.7	269^th of 2162 public high schools	87.6%		75.8	474^th of 2159 public high schools	78.0%	205	56.4		56.4	74.3	74.3	40.6	40.6
Tracy High	Public	9-12	315 East 11th St.	Tracy	95376	San Joaquin County	Tracy Joint Unified	No	(n/a)	No	(n/a)	(209) 830-3360	1,739	79	22.1	62.7%	357 (20.5%)	64 (3.7%)	959 (55.1%)	248 (14.3%)	9 (0.5%)	15 (0.9%)	81 (4.7%)	54.2	944^th of 2162 public high schools	56.3%		54.1	903^rd of 2159 public high schools	58.2%	41		23.0	23.0	54.5	54.5	20.3	20.3	$21,918	$21,526	$392
River Islands High	Public, Charter	9-12	16601 Riptide Way	Lathrop	95330	San Joaquin County	River Islands High District	Yes	(n/a)	No	(n/a)	(209) 717-6715	512	28	18.5	37.9%	41 (8.0%)	56 (10.9%)	153 (29.9%)	245 (47.9%)	5 (1.0%)	7 (1.4%)	5 (1.0%)	60.8	802^nd of 2162 public high schools	62.9%					(n/a)	23.5		23.5	52.7	52.7	31.8	31.8	$25,997	$25,630	$367
La Paloma High (Continuation)	Public	9-12	400 Ghiggeri Way	Brentwood	94513	Contra Costa County	Liberty Union High	No	(n/a)	No	(n/a)	(925) 634-2888	178	12	14.4	64.6%	35 (19.7%)	21 (11.8%)	104 (58.4%)	9 (5.1%)	3 (1.7%)	0 (0.0%)	4 (2.2%)	11.1	1962^nd of 2162 public high schools	9.3%		13.1	1884^th of 2159 public high schools	12.7%	78	4.9		4.6	13.4	13.4	2.4	2.4	$31,806	$29,766	$2,040
Livermore High	Public	9-12	600 Maple St.	Livermore	94550	Alameda County	Livermore Valley Joint Unified	No	(n/a)	No	(n/a)	(925) 606-4812	1,827	85	21.4	23.5%	733 (40.1%)	34 (1.9%)	648 (35.5%)	253 (13.8%)	0 (0.0%)	5 (0.3%)	152 (8.3%)	68.2	631^st of 2162 public high schools	70.8%		75.7	475^th of 2159 public high schools	78.0%	156	35.4		35.0	59.5	59.5	34.6	34.6	$19,945	$19,680	$265

Frequently Asked Questions about Mountain House High

What is the racial makeup of Mountain House High?

Students at Mountain House High are 62% Asian, 13% White, 12% Hispanic, 6% Two or more races, 5% African American.

What schools feed into Mountain House High?

Mountain House High is fed by the following schools:

Elementary : Altamont Elementary
Elementary : Bethany Elementary
Elementary : Hansen Elementary
Elementary : Julius Cordes Elementary
Elementary : Lammersville Elementary
Elementary : Sebastian Questa Elementary
Elementary : Wicklund Elementary

Is Mountain House High a good school?

Yes! Mountain House High is one of the best high schools in the state. It ranks 85^th of 2162 California high schools.

What district is Mountain House High in?

Lammersville Joint Unified

How many students attend Mountain House High?

In the 2024-25 school year, 2,428 students attended Mountain House High.

Rate Mountain House High!

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