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Del Sur Senior Elementary

Public Grades K-8

4492^nd

SchoolDigger Rank ?

of 5,857 California Elementary Schools

Better than 23% of California elementary schools

Summary

Del Sur Senior Elementary is a public K-8 school serving 763 students in Lancaster, CA, within the Westside Union Elementary district, which has seen a significant decline in its statewide academic ranking over the past decade, now placing in the bottom quarter of all California schools.

Key metrics show the school faces considerable challenges, with proficiency rates in English, math, and science notably below both district and state averages, and it has the highest student-teacher ratio among nearby schools in its district at 27-to-1. While the school spends less per student than most comparison schools, analysis shows that higher spending does not automatically mean better results, as some lower-spending schools like Gregg Anderson Academy perform very well. A major concern is chronic absenteeism, which at 24.1% is higher than average and correlates with lower performance; for comparison, the high-performing Gregg Anderson Academy has an absenteeism rate of just 11.2%.

Despite overall struggles, Del Sur shows a relative strength in serving special education students. The school's performance varies greatly by grade, with 8th-grade English scores above the district average while 6th-grade scores are far below, suggesting uneven support across grades. The stark performance difference between Del Sur and other schools in the same district, like Quartz Hill Elementary, indicates that localized factors such as instruction, school culture, and community engagement are critical for student success.

763

Students ?

27.1

Student/teacher ratio ?

$17,970

Per pupil spending ?

53.3%

Free/discounted lunch ?

9023 West Ave. H
Lancaster, CA 93536-8011

(661) 942-0488

District: Westside Union Elementary

Students who attend Del Sur Senior Elementary usually attend:

High:

Quartz Hill High

Racial breakdown:

Hispanic:

57.9%

White:

26.1%

African American:

10.0%

See top rated California elementary schools

Compare Del Sur Senior Elementary to nearby elementary schools!

At a glance

▼ Ranking trend: Declining — 69th percentile in 2013 → 23rd in 2025

Worth a look

!Test scores below the California average (27% vs 41% meeting standards)

!In the lower quartile statewide (23rd percentile)

!Ranking has slipped — down 46 percentile points since 2013

Students meeting standards (2024-2025) ?

This school27%

District avg38%

California avg41%

Elementary school

4,492^nd of 5,857

California public elementary schools ?

Bottom 23%▼ down 25 pts since 2015

From bottom 48% (2015) to bottom 23% (2025)

See the entire ranking list of California Elementary Schools →

★★★★★

SchoolDigger rating ?

Middle school

1,819^th of 2,761

California public middle schools ?

Bottom 34%▼ down 26 pts since 2015

From top 40% (2015) to bottom 34% (2025)

See the entire ranking list of California Middle Schools →

★★★★★

SchoolDigger rating ?

10^th of 10Elementary Schools in the Westside Union Elementary

782^nd of 1,543Westside Union Elementary 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	24.1	4492 of 5857	23.3%	★☆☆☆☆
2024	24.6	4403 of 5869	25.0%	★☆☆☆☆
2023	38.6	3238 of 5859	44.7%	★★☆☆☆
2022	42.0	2962 of 5883	49.7%	★★☆☆☆
2019	40.9	3135 of 5789	45.8%	★★☆☆☆
2018	35.5	3433 of 5662	39.4%	★★☆☆☆
2017	32.8	3623 of 5692	36.3%	★★☆☆☆
2016	39.3	3119 of 5614	44.4%	★★☆☆☆
2015	42.4	2894 of 5611	48.4%	★★☆☆☆
2013	67.6	1691 of 5530	69.4%	★★★☆☆
2012	68.9	1584 of 5390	70.6%	★★★★☆
2011	66.5	1667 of 5377	69.0%	★★★☆☆
2010	57.7	2129 of 5314	59.9%	★★★☆☆
2009	68.2	1524 of 5193	70.7%	★★★★☆
2008	52.9	2227 of 5113	56.4%	★★★☆☆
2007	63.6	1652 of 5113	67.7%	★★★☆☆
2006	65.8	1510 of 4818	68.7%	★★★☆☆
2005	74.0	1166 of 4822	75.8%	★★★★☆
2004	69.8	1307 of 4809	72.8%	★★★★☆

African American

Year	Avg score	Statewide rank	California percentile	Rating
2019	41.4	408 of 747	45.4%	★★☆☆☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2019	38.5	1368 of 2585	47.1%	★★☆☆☆
2018	26.9	1593 of 2128	25.1%	★☆☆☆☆

English Language Learner

Year	Avg score	Statewide rank	California percentile	Rating
2024	21.0	3034 of 3162	4.0%	☆☆☆☆☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	24.5	4293 of 5597	23.3%	★☆☆☆☆
2024	24.3	4321 of 5612	23.0%	★☆☆☆☆
2023	37.6	3173 of 5609	43.4%	★★☆☆☆
2022	42.1	2874 of 5635	49.0%	★★☆☆☆
2019	47.5	2643 of 5492	51.9%	★★★☆☆
2018	43.1	2885 of 5413	46.7%	★★☆☆☆

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2025	23.0	4238 of 5107	17.0%	★☆☆☆☆
2024	23.8	4210 of 5107	17.6%	★☆☆☆☆
2023	39.1	2975 of 5087	41.5%	★★☆☆☆
2022	45.1	2514 of 5084	50.6%	★★★☆☆
2019	57.5	1823 of 4963	63.3%	★★★☆☆
2018	44.8	2567 of 4830	46.9%	★★☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2025	26.2	4265 of 5460	21.9%	★☆☆☆☆
2024	26.0	4294 of 5517	22.2%	★☆☆☆☆
2023	32.8	3666 of 5363	31.6%	★★☆☆☆
2022	31.9	3687 of 5264	30.0%	★☆☆☆☆
2019	36.5	3390 of 5173	34.5%	★★☆☆☆
2018	31.9	3628 of 5084	28.6%	★☆☆☆☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	24.3	4351 of 5628	22.7%	★☆☆☆☆
2024	25.7	4210 of 5643	25.4%	★☆☆☆☆
2023	39.5	3088 of 5638	45.2%	★★☆☆☆
2022	41.8	2905 of 5663	48.7%	★★☆☆☆
2019	34.4	3433 of 5510	37.7%	★★☆☆☆
2018	28.8	3791 of 5431	30.2%	★★☆☆☆

Special Education

Year	Avg score	Statewide rank	California percentile	Rating
2024	46.0	1092 of 2635	58.6%	★★★☆☆
2023	43.8	1090 of 2420	55.0%	★★★☆☆

White

Year	Avg score	Statewide rank	California percentile	Rating
2025	24.9	2065 of 2598	20.5%	★☆☆☆☆
2024	16.4	2295 of 2651	13.4%	★☆☆☆☆
2023	30.9	1961 of 2661	26.3%	★☆☆☆☆
2022	29.9	2019 of 2726	25.9%	★☆☆☆☆
2019	21.9	2344 of 2834	17.3%	★☆☆☆☆
2018	19.1	2343 of 2737	14.4%	★☆☆☆☆

Middle school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	California percentile	Rating
2025	30.3	1819 of 2761	34.1%	★★☆☆☆
2024	35.1	1621 of 2783	41.8%	★★☆☆☆
2023	42.3	1389 of 2781	50.1%	★★★☆☆
2022	26.7	1917 of 2740	30.0%	★★☆☆☆
2019	42.0	1383 of 2715	49.1%	★★☆☆☆
2018	35.3	1510 of 2480	39.1%	★★☆☆☆
2017	41.7	1342 of 2508	46.5%	★★☆☆☆
2016	56.3	949 of 2497	62.0%	★★★☆☆
2015	54.9	984 of 2477	60.3%	★★★☆☆
2013	64.7	761 of 2379	68.0%	★★★☆☆
2012	74.9	438 of 2259	80.6%	★★★★☆
2011	61.3	776 of 2236	65.3%	★★★☆☆
2010	59.9	794 of 2179	63.6%	★★★☆☆
2009	62.4	697 of 2063	66.2%	★★★☆☆
2008	49.1	945 of 2005	52.9%	★★★☆☆
2007	51.0	884 of 1999	55.8%	★★★☆☆
2006	53.8	745 of 1804	58.7%	★★★☆☆
2005	50.7	790 of 1777	55.5%	★★★☆☆
2004	48.6	804 of 1769	54.6%	★★★☆☆

African American

Year	Avg score	Statewide rank	California percentile	Rating
2025	53.9	236 of 609	61.2%	★★★☆☆
2024	55.0	230 of 627	63.3%	★★★☆☆
2023	39.4	349 of 613	43.1%	★★☆☆☆
2022	25.3	495 of 637	22.3%	★☆☆☆☆
2019	25.3	501 of 643	22.1%	★☆☆☆☆
2018	26.1	465 of 600	22.5%	★☆☆☆☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2022	38.3	812 of 1531	47.0%	★★☆☆☆
2019	44.7	645 of 1491	56.7%	★★★☆☆
2018	34.9	805 of 1369	41.2%	★★☆☆☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	33.8	1555 of 2533	38.6%	★★☆☆☆
2024	34.6	1522 of 2551	40.3%	★★☆☆☆
2023	42.3	1259 of 2531	50.3%	★★★☆☆
2022	28.0	1731 of 2509	31.0%	★★☆☆☆
2019	35.6	1422 of 2380	40.3%	★★☆☆☆
2018	30.6	1537 of 2262	32.1%	★★☆☆☆

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2025	25.7	1801 of 2395	24.8%	★☆☆☆☆
2024	28.3	1707 of 2388	28.5%	★☆☆☆☆
2023	52.2	923 of 2374	61.1%	★★★☆☆
2022	31.9	1561 of 2359	33.8%	★★☆☆☆
2019	53.9	835 of 2213	62.3%	★★★☆☆
2018	42.2	1122 of 2072	45.8%	★★☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2025	19.7	2152 of 2542	15.3%	★☆☆☆☆
2024	31.5	1710 of 2579	33.7%	★★☆☆☆
2023	38.3	1393 of 2531	45.0%	★★☆☆☆
2022	25.0	1894 of 2458	22.9%	★☆☆☆☆
2019	34.9	1496 of 2369	36.9%	★★☆☆☆
2018	25.4	1743 of 2230	21.8%	★☆☆☆☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	25.8	1835 of 2534	27.6%	★☆☆☆☆
2024	34.7	1510 of 2552	40.8%	★★☆☆☆
2023	40.7	1313 of 2538	48.3%	★★☆☆☆
2022	26.4	1794 of 2527	29.0%	★☆☆☆☆
2019	46.8	1110 of 2407	53.9%	★★★☆☆
2018	39.1	1279 of 2273	43.7%	★★☆☆☆

Multi-racial

Year	Avg score	Statewide rank	California percentile	Rating
2025	12.8	641 of 726	11.7%	★☆☆☆☆

Special Education

Year	Avg score	Statewide rank	California percentile	Rating
2025	40.0	800 of 1566	48.9%	★★☆☆☆
2024	46.1	640 of 1552	58.8%	★★★☆☆
2023	55.2	462 of 1531	69.8%	★★★☆☆

White

Year	Avg score	Statewide rank	California percentile	Rating
2025	38.8	936 of 1520	38.4%	★★☆☆☆
2024	41.3	875 of 1537	43.1%	★★☆☆☆
2023	34.6	996 of 1543	35.5%	★★☆☆☆
2022	20.6	1269 of 1555	18.4%	★☆☆☆☆
2019	27.1	1180 of 1602	26.3%	★☆☆☆☆
2018	31.4	1054 of 1496	29.5%	★☆☆☆☆

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)

Elementary school

Special Education (2024)59th percentile+34 vs school

Disabled (2019)47th percentile~ school

African American (2019)45th percentile~ school

Female (2025)23rd percentile~ school

Male (2025)23rd percentile~ school

Low Socio Economic Status (2025)22nd percentile~ school

White (2025)21st percentile-3 vs school

Hispanic (2025)17th percentile-6 vs school

English Language Learner (2024)4th percentile-21 vs school

Middle school

African American (2025)61st percentile+27 vs school

Special Education (2025)49th percentile+15 vs school

Disabled (2022)47th percentile+17 vs school

Female (2025)39th percentile+4 vs school

White (2025)38th percentile+4 vs school

Male (2025)28th percentile-7 vs school

Hispanic (2025)25th percentile-9 vs school

Low Socio Economic Status (2025)15th percentile-19 vs school

Multi-racial (2025)12th percentile-22 vs school

By subject vs California (2024-2025) ?

English Language Arts/Literacy34%-15 vs state

Science24%-8 vs state

Mathematics21%-16 vs state

★

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Schools Near Del Sur Senior 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/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 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
Del Sur Senior Elementary	Public	K-8	9023 West Ave. H	Lancaster	93536	Los Angeles County	Westside Union Elementary	No	(n/a)	No	(n/a)	(661) 942-0488	763	28	27.1	53.3%	199 (26.1%)	76 (10.0%)	442 (57.9%)	9 (1.2%)	1 (0.1%)	2 (0.3%)	34 (4.5%)	24.1	4492^nd of 5857 public elementary schools	23.3%		24.6	4403^rd of 5869 public elementary schools	25.0%	89	20.6	25.8	24.2	27.4	29.5	44.8	23.1	27.3	46.5	34.3	27.4	23.0	22.1	18.0	14.4	23.9	21.0	97.4				97.4		$17,970	$16,944	$1,026
Sundown Elementary	Public	K-6	6151 West Ave. J-8	Lancaster	93536	Los Angeles County	Westside Union Elementary	No	(n/a)	No	(n/a)	(661) 722-3026	941	35	26.8	59.1%	167 (17.7%)	180 (19.1%)	502 (53.3%)	15 (1.6%)	2 (0.2%)	1 (0.1%)	74 (7.9%)	24.9	4417^th of 5857 public elementary schools	24.6%		20.6	4804^th of 5869 public elementary schools	18.1%	387	22.2		22.2	35.0	38.1	40.3	26.4			34.5	22.6	22.1	20.1	12.3			18.9	92.0	93.8	96.4	96.4	95.5	96.4	$17,407	$16,374	$1,033
West Wind Elementary	Public	K-5	44044 36th St. West	Lancaster	93536	Los Angeles County	Lancaster Elementary	No	(n/a)	No	(n/a)	(661) 948-0192	757	29	26.1	76.0%	66 (8.7%)	116 (15.3%)	480 (63.4%)	37 (4.9%)	4 (0.5%)	2 (0.3%)	51 (6.7%)	28.1	4125^th of 5857 public elementary schools	29.6%		34.6	3559^th of 5869 public elementary schools	39.4%	566	19.8		19.8	36.7	25.8	38.2				33.4	43.3	24.4	13.2				26.9	97.6		97.6	98.4			$2,863	$526	$2,337
Nancy Cory Elementary	Public	K-5	3540 West Ave. K-4	Lancaster	93536	Los Angeles County	Lancaster Elementary	No	(n/a)	No	(n/a)	(661) 722-1010	728	28	26.0	79.1%	91 (12.5%)	178 (24.5%)	382 (52.5%)	24 (3.3%)	0 (0.0%)	1 (0.1%)	51 (7.0%)	30.8	3898^th of 5857 public elementary schools	33.4%		23.4	4542^nd of 5869 public elementary schools	22.6%	644	18.6		18.6	38.1	48.1	34.9				39.7	32.5	30.2	14.5				24.7	96.3	98.1	97.2	98.1			$6,466	$4,056	$2,410
Quartz Hill Elementary	Public	K-6	41820 North 50th St. West	Quartz Hill	93536	Los Angeles County	Westside Union Elementary	No	(n/a)	No	(n/a)	(661) 943-3236	845	33	25.6	63.3%	182 (21.5%)	75 (8.9%)	508 (60.1%)	23 (2.7%)	4 (0.5%)	0 (0.0%)	52 (6.2%)	52.4	2471^st of 5857 public elementary schools	57.8%		51	2506^th of 5869 public elementary schools	57.3%	35	28.2		28.2	39.5	48.2	54.6	61.5			50.7	29.8	41.1	30.9	49.0			37.5	95.0	96.6	96.6		97.5		$20,841	$19,702	$1,139
Leona Valley Elementary	Public	K-6	9063 West Leona Ave.	Leona Valley	93551	Los Angeles County	Westside Union Elementary	No	(n/a)	No	(n/a)	(661) 948-9010	79	4	19.7	45.6%	29 (36.7%)	2 (2.5%)	42 (53.2%)	3 (3.8%)	0 (0.0%)	0 (0.0%)	3 (3.8%)	62.7	1931^st of 5857 public elementary schools	67.0%		51.5	2475^th of 5869 public elementary schools	57.8%	544				43.8	72.7					57.8	43.8	54.6					37.8							$38,781	$37,794	$987
Valley View Elementary	Public	K-6	3310 West Ave. L-8	Lancaster	93536	Los Angeles County	Westside Union Elementary	No	(n/a)	No	(n/a)	(661) 943-2451	659	26	25.3	65.6%	131 (19.9%)	70 (10.6%)	393 (59.6%)	17 (2.6%)	4 (0.6%)	0 (0.0%)	44 (6.7%)	31.3	3853^rd of 5857 public elementary schools	34.2%		31	3857^th of 5869 public elementary schools	34.3%	4	26.0		26.0	41.5	29.6	41.0	39.0			37.7	36.6	27.3	19.0	15.5			24.4	86.7	92.5	94.2	93.3	91.7	95.0	$20,806	$19,740	$1,066
Desert View Elementary	Public	K-6	1555 West Avenue H-10	Lancaster	93534	Los Angeles County	Lancaster Elementary	No	(n/a)	No	(n/a)	(661) 942-9521	688	30	22.9	89.0%	20 (2.9%)	219 (31.8%)	405 (58.9%)	14 (2.0%)	3 (0.4%)	2 (0.3%)	25 (3.6%)	10.5	5599^th of 5857 public elementary schools	4.4%		8.3	5761^st of 5869 public elementary schools	1.8%	162	10.2		10.2	19.2	23.6	14.8	15.9			18.4	19.2	15.2	9.4	3.4			12.0							$4,299	$1,898	$2,401
Gregg Anderson Academy	Public	K-6	5151 West Avenue N-8	Palmdale	93551	Los Angeles County	Westside Union Elementary	No	(n/a)	No	(n/a)	(661) 206-3750	893	34	26.2	31.6%	280 (31.4%)	62 (6.9%)	414 (46.4%)	62 (6.9%)	0 (0.0%)	0 (0.0%)	75 (8.4%)	87.8	788^th of 5857 public elementary schools	86.5%		91.3	619^th of 5869 public elementary schools	89.5%	169	47.6		47.6	78.2	62.2	75.4	73.1			72.0	81.5	63.8	56.4	61.7			65.9	94.1			97.1	97.8	97.1	$22,266	$21,270	$996
John and Jacquelyn Miller Elementary	Public	K-7	43420 22nd St. West	Lancaster	93536	Los Angeles County	Lancaster Elementary	No	(n/a)	No	(n/a)	(661) 726-1826	697	27	25.8	81.2%	75 (10.8%)	146 (20.9%)	395 (56.7%)	16 (2.3%)	5 (0.7%)	3 (0.4%)	57 (8.2%)	33.6	3676^th of 5857 public elementary schools	37.2%		43	2992^nd of 5869 public elementary schools	49.0%	684	15.9		15.9	40.5	23.8	23.2	54.2	42.5		37.3	39.8	22.4	17.1	36.8	15.3		27.0	96.0	98.0	98.0	98.0	96.0	98.0	$3,650	$1,300	$2,350

Frequently Asked Questions about Del Sur Senior Elementary

What is the racial makeup of Del Sur Senior Elementary?

Students at Del Sur Senior Elementary are 58% Hispanic, 26% White, 10% African American, 4% Two or more races, 1% Asian.

Is Del Sur Senior Elementary a good school?

Del Sur Senior Elementary ranks in the bottom 23.3% of California elementary schools.

How many students attend Del Sur Senior Elementary?

In the 2024-25 school year, 763 students attended Del Sur Senior Elementary.

What schools do graduates of Del Sur Senior Elementary attend?

Students who attend Del Sur Senior Elementary usually go on to attend:

High : Quartz Hill High

What district is Del Sur Senior Elementary in?

Westside Union Elementary

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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.