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Coming soon: We're expecting this year's test scores from the California Department of Education any day now — new rankings will be posted the moment they're released!

Coming soon: This year's test scores are expected from the California Department of Education any day now — new rankings will follow the moment they're released!

Evelyn Costa Elementary

Public Grades K-8

370^th

SchoolDigger Rank ?

of 5,857 California Elementary Schools

Better than 94% of California elementary schools

Summary

Evelyn Costa Elementary is a public K-8 school in Mountain House, California, serving 504 students as part of the Lammersville Joint Unified School District, which is ranked 106 out of 1,565 districts in the state.

Evelyn Costa Elementary consistently outperforms the district and state averages on Smarter Balanced Assessments for English Language Arts/Literacy and Mathematics, with 80.28% of students proficient or better in ELA and 79.15% in Math, compared to 75.71% and 71.74% for the district, and 48.81% and 37.3% for the state, respectively. The school also outperforms the district and state in CAST Science assessments. However, the school's performance for female students and Asian students is not as strong compared to the state.

Evelyn Costa Elementary has seen a significant decrease in chronic absenteeism rates, from 24.9% in 2022-2023 to 6.6% in 2023-2024. Additionally, the school spends $11,978 per student, which is lower than the spending at some nearby schools like George Kelly Elementary ($14,688) and Art Freiler ($19,866), suggesting the school is effectively allocating its resources to support student learning.

612

Students ?

23.3

Student/teacher ratio ?

$16,603

Per pupil spending ?

6.2%

Free/reduced lunch eligible (2024-25) ?

All students in California receive free school meals.

1675 South Gobind Blvd.
Mountain House, CA 95391

(209) 836-7280

District: Lammersville Joint Unified

Racial breakdown:

Asian:

85.0%

Hispanic:

5.4%

White:

2.9%

See top rated California elementary schools

Compare Evelyn Costa Elementary to nearby elementary schools!

At a glance

▬ Ranking trend: Holding steady — 92nd percentile in 2024 → 94th in 2025

Strengths

✓Test scores above the California average (79% vs 41% meeting standards)

✓Ranks in the top 6% of California elementary schools

Worth a look

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

!Large classes — about 23 students per teacher

Students meeting standards (2024-2025) ?

This school79%

District avg72%

California avg41%

Elementary school

370^th of 5,857

California public elementary schools ?

Top 6%▲ up 2 pts since 2024

See the entire ranking list of California Elementary Schools →

★★★★★

SchoolDigger rating ?

Middle school

51^st of 2,761

California public middle schools ?

Top 2%▬ steady since 2024

See the entire ranking list of California Middle Schools →

★★★★★

SchoolDigger rating ?

3^rd of 8Elementary Schools in the Lammersville Joint Unified

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)

Elementary school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	California percentile	Rating
2025	94.5	370 of 5857	93.7%	★★★★★
2024	93.6	460 of 5869	92.2%	★★★★★

Asian

Year	Avg score	Statewide rank	California percentile	Rating
2025	69.4	410 of 1203	65.9%	★★★☆☆
2024	63.4	547 of 1205	54.6%	★★★☆☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	89.2	632 of 5597	88.7%	★★★★☆
2024	87.3	757 of 5612	86.5%	★★★★☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	95.3	245 of 5628	95.6%	★★★★★
2024	95.2	257 of 5643	95.4%	★★★★★

Middle school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	California percentile	Rating
2025	98.0	51 of 2761	98.2%	★★★★★
2024	98.3	38 of 2783	98.6%	★★★★★

Asian

Year	Avg score	Statewide rank	California percentile	Rating
2025	82.2	85 of 739	88.5%	★★★★☆
2024	79.0	128 of 743	82.8%	★★★★☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	98.0	24 of 2533	99.1%	★★★★★
2024	98.1	27 of 2551	98.9%	★★★★★

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	97.1	72 of 2534	97.2%	★★★★★
2024	97.7	54 of 2552	97.9%	★★★★★

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)

Elementary school

Male (2025)96th percentile~ school

Female (2025)89th percentile-5 vs school

Asian (2025)66th percentile-28 vs school

Middle school

Female (2025)99th percentile~ school

Male (2025)97th percentile~ school

Asian (2025)88th percentile-10 vs school

By subject vs California (2024-2025) ?

English Language Arts/Literacy80%+31 vs state

Mathematics79%+42 vs state

Science72%+39 vs state

★

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Schools Near Evelyn Costa 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 Immunizations 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)							% Completely Immunized (2022)	% Polio (2022)	% Hepatitis B (2022)	% Varicella (2022)	% DTP (2022)	% MMR (2022)	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/reduced lunch (2024-25)	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 5th Grade	CAST Science 8th Grade	CAST Science All Grades	Smarter Balanced Assessments English Language Arts/Literacy 3rd Grade	Smarter Balanced Assessments English Language Arts/Literacy 4th Grade	Smarter Balanced Assessments English Language Arts/Literacy 5th Grade	Smarter Balanced Assessments English Language Arts/Literacy 6th Grade	Smarter Balanced Assessments English Language Arts/Literacy 7th Grade	Smarter Balanced Assessments English Language Arts/Literacy 8th Grade	Smarter Balanced Assessments English Language Arts/Literacy All Grades	Smarter Balanced Assessments Mathematics 3rd Grade	Smarter Balanced Assessments Mathematics 4th Grade	Smarter Balanced Assessments Mathematics 5th Grade	Smarter Balanced Assessments Mathematics 6th Grade	Smarter Balanced Assessments Mathematics 7th Grade	Smarter Balanced Assessments Mathematics 8th Grade	Smarter Balanced Assessments Mathematics All Grades	% Completely Immunized KG	% Polio KG	% Hepatitis B KG	% Varicella KG	% DTP KG	% MMR KG	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Evelyn Costa Elementary	Public	K-8	1675 South Gobind Blvd.	Mountain House	95391	San Joaquin County	Lammersville Joint Unified	No	(n/a)	No	(n/a)	(209) 836-7280	612	26	23.3	6.2%	18 (2.9%)	13 (2.1%)	33 (5.4%)	520 (85.0%)	10 (1.6%)	0 (0.0%)	18 (2.9%)	94.5	370^th of 5857 public elementary schools	93.7%		93.6	460^th of 5869 public elementary schools	92.2%	90	63.0	78.1	71.8	65.2	78.0	83.0	78.1	93.8	84.4	80.3	78.8	80.0	80.9	75.0	85.9	75.0	79.2							$16,603	$16,450	$153
Julius Cordes Elementary	Public	K-8	296 East Parco Ave.	Mountain House	95391	San Joaquin County	Lammersville Joint Unified	No	(n/a)	No	(n/a)	(209) 836-7400	877	35	25.3	2.5%	41 (4.7%)	12 (1.4%)	29 (3.3%)	738 (84.2%)	14 (1.6%)	1 (0.1%)	42 (4.8%)	97.5	112^th of 5857 public elementary schools	98.1%		97.7	104^th of 5869 public elementary schools	98.2%	8	79.2	88.8	84.0	77.8	78.0	93.8	83.7	93.8	94.9	86.6	85.5	82.0	93.8	82.7	92.7	90.8	87.8							$14,371	$14,218	$153
Hansen Elementary	Public	K-8	1400 South Durant Terrace	Mountain House	95391	San Joaquin County	Lammersville Joint Unified	No	(n/a)	No	(n/a)	(209) 836-7260	930	38	24.5	8.2%	51 (5.5%)	26 (2.8%)	67 (7.2%)	715 (76.9%)	15 (1.6%)	7 (0.8%)	49 (5.3%)	96.1	232^nd of 5857 public elementary schools	96.0%		97.1	153^rd of 5869 public elementary schools	97.4%	79	69.5	75.8	72.3	68.9	79.0	81.0	81.3	89.9	84.9	81.0	82.2	81.8	79.5	81.3	87.9	78.8	81.8	96.0	98.0	98.0	97.0	98.0	96.0	$14,296	$14,114	$182
Wicklund Elementary	Public	K-8	300 East Legacy Dr.	Mountain House	95391	San Joaquin County	Lammersville Joint Unified	No	(n/a)	No	(n/a)	(209) 836-7200	689	31	22.0	17.6%	96 (13.9%)	38 (5.5%)	142 (20.6%)	352 (51.1%)	6 (0.9%)	6 (0.9%)	49 (7.1%)	80.1	1149^th of 5857 public elementary schools	80.4%		79.3	1183^rd of 5869 public elementary schools	79.8%	34	36.8	61.0	51.2	60.9	71.2	55.2	74.7	63.8	73.0	66.8	64.3	66.7	46.3	65.7	53.1	59.0	58.9	97.4	98.2		97.4		98.2	$19,063	$18,778	$285
Bethany Elementary	Public	K-8	570 Escuela Dr.	Mountain House	95391	San Joaquin County	Lammersville Joint Unified	No	(n/a)	No	(n/a)	(209) 836-7250	768	33	23.5	16.1%	129 (16.8%)	32 (4.2%)	152 (19.8%)	367 (47.8%)	6 (0.8%)	4 (0.5%)	78 (10.2%)	89.2	707^th of 5857 public elementary schools	87.9%		88.5	787^th of 5869 public elementary schools	86.6%	80	55.8	78.4	67.2	61.5	72.9	71.0	67.4	66.3	79.4	70.1	74.4	72.9	62.1	63.8	60.9	77.3	68.5							$15,709	$15,556	$153
Lammersville Elementary	Public	K-8	16555 West Von Sosten Rd.	Tracy	95304	San Joaquin County	Lammersville Joint Unified	No	(n/a)	No	(n/a)	(209) 836-7220	203	12	16.8	36.5%	55 (27.1%)	7 (3.4%)	90 (44.3%)	35 (17.2%)	3 (1.5%)	1 (0.5%)	12 (5.9%)	59.1	2110^th of 5857 public elementary schools	64.0%		44.9	2871^st of 5869 public elementary schools	51.1%	761	37.5	50.0	43.6	52.6	42.4	32.3	73.5	29.6	60.0	48.9	57.9	39.4	30.0	57.6	22.2	46.7	41.9							$27,069	$26,134	$935
Altamont Elementary	Public	K-8	452 West Saint Francis St.	Mountain House	95391	San Joaquin County	Lammersville Joint Unified	No	(n/a)	No	(n/a)	(209) 836-7240	616	27	22.9	12.7%	84 (13.6%)	43 (7.0%)	111 (18.0%)	312 (50.6%)	2 (0.3%)	4 (0.6%)	60 (9.7%)	86.6	840^th of 5857 public elementary schools	85.7%		88.4	795^th of 5869 public elementary schools	86.5%	45	65.1	63.2	63.9	52.2	63.5	84.1	65.6	79.0	69.5	70.4	61.7	66.2	66.7	59.4	65.3	65.3	64.3	97.2					97.2	$17,677	$17,502	$175
Sebastian Questa Elementary	Public	K-8	685 North Montebello St.	Mountain House	95391	San Joaquin County	Lammersville Joint Unified	No	(n/a)	No	(n/a)	(209) 836-7230	822	37	22.2	8.2%	81 (9.9%)	32 (3.9%)	104 (12.7%)	533 (64.8%)	5 (0.6%)	0 (0.0%)	67 (8.2%)	91.2	601^st of 5857 public elementary schools	89.7%		92.3	551^st of 5869 public elementary schools	90.6%	50	54.9	73.8	65.4	69.6	71.1	71.6	82.9	76.5	77.7	75.3	67.4	68.7	64.6	78.1	74.5	77.7	72.3							$16,951	$16,748	$203
Mountain House Elementary	Public	K-8	3950 Mountain House Rd.	Byron	94514	Contra Costa County	Mountain House Elementary	No	(n/a)	No	(n/a)	(209) 835-2283	14	1	14.0	21.4%	3 (21.4%)	0 (0.0%)	11 (78.6%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)								(n/a)										69.2							38.5
Art Freiler	Public	K-8	2421 West Lowell Ave.	Tracy	95376	San Joaquin County	Tracy Joint Unified	No	(n/a)	No	(n/a)	(209) 830-3309	772	36	21.2	75.0%	118 (15.3%)	44 (5.7%)	333 (43.1%)	223 (28.9%)	3 (0.4%)	5 (0.6%)	45 (5.8%)	51.8	2514^th of 5857 public elementary schools	57.1%		49.1	2606^th of 5869 public elementary schools	55.6%	92	41.7	31.7	35.8	35.4	37.7	59.7	44.0	37.6	46.6	43.2	34.2	38.5	52.8	38.0	29.1	35.6	37.2	95.0			96.3			$19,098	$18,622	$476

Frequently Asked Questions about Evelyn Costa Elementary

How many students attend Evelyn Costa Elementary?

In the 2024-25 school year, 612 students attended Evelyn Costa Elementary.

What is the racial makeup of Evelyn Costa Elementary?

Students at Evelyn Costa Elementary are 85% Asian, 5% Hispanic, 3% White, 3% Two or more races, 2% African American, 2% American Indian.

Is Evelyn Costa Elementary a good school?

Yes. Evelyn Costa Elementary ranks in the top 6.3% of California elementary schools.

What district is Evelyn Costa Elementary in?

Lammersville Joint Unified

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Latest California data All new data »

2024–25 school spending dataJul 1, 2026

2024–25 attendance dataMar 13, 2026

2024–25 CSA Spanish test scoresDec 22, 2025

2024–25 dropout rates & graduation ratesNov 14, 2025

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.