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Del Sur Senior Elementary School

9023 West Ave. H
Lancaster, CA 93536

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Tel: (661) 942-0488

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SAVE SCHOOL

Serving 763 students in grades Kindergarten-8, Del Sur Senior Elementary School ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).

The percentage of students achieving is 25% (which is lower than the California state average of 34%). The percentage of students achieving is 35% (which is lower than the California state average of 47%).

The student-teacher ratio of 27:1 is higher than the California state level of 21:1.

Minority enrollment is 74% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).

Quick Facts (26-27)

Grades: Kindergarten-8
Enrollment: 763 students
Student-Teacher Ratio: 27:1
Minority Enrollment: 74%
: Bottom 50% in CA
: 25% (Btm 50%)
: 35% (Btm 50%)
: 20-24% (Btm 50%)
: Del Sur Senior Elementary serves the northwest part of Lancaster, CA, covering an extensive area of approximately 243.5 square miles. Families typically travel 20 to 30 minutes to reach the school, with the average distance to the zone's edge being about 10.9 miles and the furthest edge located 23.8 miles away.
Source: National Center for Education Statistics (NCES), CA Dept. of Education

School Overview

Del Sur Senior Elementary School's student population of 763 students has stayed relatively flat over five school years.

The teacher population of 28 teachers has declined by 6% over five school years.

Grades Offered

Grades Kindergarten-8

View Data

Distribution of Students By Grade Trends
Grade	Del Sur Senior Elementary School
Kind	72
1	56
2	74
3	76
4	63
5	68
6	72
7	128
8	154

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Total Students

763 students

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Showing 2015–2025. Full 39-year historical data available below ↓

Total Students Trends (1987-2025)
Year	Del Sur Senior Elementary School
2025	763
2024	758
2023	741
2022	711
2021	794
2020	871
2019	816
2018	836
2017	796
2015	710
2014	751
2013	753
2012	795
2011	841
2010	848
2009	894
2008	918
2007	864
2006	777
2005	794
2004	757
2003	757
2002	653
2001	612
2000	608
1999	604
1998	607
1997	637
1996	751
1995	682
1994	725
1993	813
1992	799
1991	783
1990	636
1989	621
1988	464
1987	367

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Total Classroom Teachers

28 teachers

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Showing 2014–2025. Full 39-year historical data available below ↓

Total Classroom Teachers Trends (1987-2025)
Year	Del Sur Senior Elementary School
2025	28
2024	29
2023	27
2022	28
2021	30
2019	32
2018	31
2017	29
2015	28
2014	29
2013	28
2012	32
2010	36
2009	39
2008	45
2007	34
2006	28
2005	35
2004	37
2003	35
2002	33
2001	30
2000	32
1999	34
1998	32
1997	29
1996	31
1995	28
1994	26
1993	31
1992	27
1991	27
1990	25
1989	21
1988	17
1987	9

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School Motto

Pointing the Way & Providing the Path

School Rankings

Del Sur Senior Elementary School ranks within the bottom 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).

The of Del Sur Senior Elementary School is 0.59, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.

This School

State Level (CA)

#5782 out of 9523 schools
(Bottom 50%)

View Data

Showing 2011–2023. Full 14-year historical data available below ↓

Overall School Rank Trends (2010-2023)
Year	Del Sur Senior Elementary School
2023	#5782
2022	#6212
2019	#5592
2018	#5726
2017	#5648
2016	#5041
2015	#4388
2013	#3951
2012	#3277
2011	#3852
2010	#4279

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25%

34%

View Data

Showing 2011–2023. Full 14-year historical data available below ↓

Math Proficiency Comparison (2010-2023)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2023	25%	34%	30%
2022	20%	33%	28%
2019	31%	40%	34%
2018	26%	39%	33%
2017	27%	38%	32%
2016	30%	37%	34%
2015	27%	34%	33%
2013	57%	59%	61%
2012	61%	59%	61%
2011	58%	58%	60%
2010	51%	56%	55%

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35%

47%

View Data

Reading and Language Arts Proficiency Comparison (2010-2022)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2022	35%	47%	44%
2019	43%	51%	49%
2018	44%	50%	33%
2017	39%	48%	47%
2016	42%	48%	48%
2015	41%	44%	47%
2013	60%	57%	63%
2012	67%	58%	66%
2011	60%	56%	64%
2010	57%	54%	61%

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20-24%

29%

Student-Teacher Ratio

27:1

21:1

View Data

Showing 2014–2025. Full 39-year historical data available below ↓

Student-Teacher Ratio Comparison (1987-2025)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2025	27:1	21:1
2024	26:1	22:1
2023	27:1	22:1	26:1
2022	25:1	22:1	25:1
2021	26:1	22:1	26:1
2019	26:1	23:1	27:1
2018	27:1	23:1	27:1
2017	27:1	23:1	27:1
2015	25:1	24:1	27:1
2014	26:1	24:1	27:1
2013	27:1	24:1	27:1
2012	25:1	23:1	27:1
2010	24:1	21:1	25:1
2009	23:1	20:1	26:1
2008	20:1	18:1	23:1
2007	25:1	21:1	26:1
2006	28:1	20:1	27:1
2005	23:1	21:1	23:1
2004	20:1	21:1	22:1
2003	22:1	20:1	22:1
2002	20:1	20:1	22:1
2001	20:1	20:1	22:1
2000	19:1	21:1	21:1
1999	18:1	21:1	21:1
1998	19:1	21:1	22:1
1997	22:1	23:1	25:1
1996	24:1	25:1	26:1
1995	24:1	25:1	26:1
1994	28:1	25:1	27:1
1993	26:1	25:1	27:1
1992	30:1	24:1	30:1
1991	29:1	24:1	27:1
1990	25:1	24:1	26:1
1989	30:1	24:1	29:1
1988	27:1	24:1	27:1
1987	41:1	24:1	29:1

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Asian

12%

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Showing 2014–2025. Full 38-year historical data available below ↓

Asian Student Percentage Comparison (1988-2025)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2025	1%	12%
2024	1%	12%
2023	1%	12%	4%
2022	1%	12%	4%
2020	1%	12%	4%
2019	1%	12%	4%
2018	1%	12%	4%
2017	1%	11%	4%
2015	1%	11%	4%
2014	1%	11%	6%
2013	2%	11%	6%
2012	3%	11%	6%
2011	3%	11%	6%
2010	5%	11%	6%
2009	4%	11%	6%
2008	4%	12%	6%
2007	4%	12%	7%
2006	4%	12%	6%
2005	3%	12%	6%
2004	4%	12%	6%
2003	2%	12%	5%
2002	2%	11%	5%
2001	3%	11%	4%
2000	4%	11%	5%
1999	4%	11%	4%
1998	4%	11%	4%
1997	4%	11%	4%
1996	4%	11%	4%
1995	4%	11%	5%
1994	5%	11%	5%
1993	5%	11%	4%
1992	4%	11%	4%
1991	3%	11%	4%
1990	3%	10%	3%
1989	3%	10%	2%
1988	2%	10%	2%

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Hispanic

58%

56%

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Showing 2015–2025. Full 38-year historical data available below ↓

Hispanic Student Percentage Comparison (1988-2025)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2025	58%	56%
2024	55%	56%
2023	54%	55%	55%
2022	51%	56%	53%
2021	48%	56%	50%
2020	43%	55%	48%
2019	43%	55%	48%
2018	42%	54%	45%
2017	43%	54%	45%
2015	38%	54%	42%
2014	41%	53%	41%
2013	39%	53%	39%
2012	37%	52%	38%
2011	35%	51%	36%
2010	32%	50%	34%
2009	33%	49%	33%
2008	34%	50%	33%
2007	30%	49%	30%
2006	23%	48%	26%
2005	16%	47%	21%
2004	17%	46%	19%
2003	17%	45%	18%
2002	20%	44%	17%
2001	21%	43%	17%
2000	19%	42%	17%
1999	15%	41%	15%
1998	15%	40%	16%
1997	14%	40%	15%
1996	15%	39%	13%
1995	17%	38%	15%
1994	17%	37%	14%
1993	15%	36%	14%
1992	16%	35%	12%
1991	17%	34%	12%
1990	15%	33%	10%
1989	14%	31%	10%
1988	14%	30%	9%

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Black

10%

View Data

Showing 2015–2025. Full 38-year historical data available below ↓

Black Student Percentage Comparison (1988-2025)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2025	10%	5%
2024	9%	5%
2023	7%	5%	10%
2022	8%	5%	10%
2021	11%	5%	10%
2020	9%	5%	10%
2019	8%	5%	10%
2018	9%	5%	11%
2017	8%	6%	11%
2015	8%	6%	11%
2014	8%	6%	11%
2013	8%	6%	12%
2012	10%	6%	12%
2011	10%	7%	13%
2010	9%	7%	14%
2009	10%	7%	14%
2008	10%	8%	14%
2007	9%	8%	13%
2006	8%	8%	12%
2005	8%	8%	13%
2004	8%	8%	11%
2003	9%	8%	10%
2002	10%	9%	10%
2001	9%	9%	9%
2000	9%	9%	9%
1999	8%	9%	11%
1998	8%	9%	9%
1997	8%	9%	9%
1996	7%	9%	10%
1995	4%	9%	8%
1994	6%	9%	8%
1993	6%	9%	7%
1992	5%	9%	5%
1991	6%	8%	5%
1990	3%	9%	4%
1989	4%	9%	4%
1988	4%	9%	4%

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White

26%

20%

View Data

Showing 2015–2025. Full 38-year historical data available below ↓

White Student Percentage Comparison (1988-2025)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2025	26%	20%
2024	30%	20%
2023	33%	21%	25%
2022	36%	21%	27%
2021	37%	22%	29%
2020	42%	22%	32%
2019	42%	23%	32%
2018	43%	23%	35%
2017	41%	24%	35%
2015	47%	25%	38%
2014	45%	25%	38%
2013	46%	25%	39%
2012	45%	26%	40%
2011	47%	27%	41%
2010	51%	27%	43%
2009	49%	28%	44%
2008	51%	29%	46%
2007	55%	30%	49%
2006	63%	31%	54%
2005	65%	32%	56%
2004	69%	33%	60%
2003	71%	34%	65%
2002	67%	35%	67%
2001	65%	36%	68%
2000	67%	37%	68%
1999	72%	38%	69%
1998	72%	39%	70%
1997	73%	39%	70%
1996	73%	40%	71%
1995	75%	41%	70%
1994	71%	42%	71%
1993	73%	43%	74%
1992	74%	44%	77%
1991	74%	46%	79%
1990	79%	47%	82%
1989	78%	49%	83%
1988	79%	50%	84%

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Two or more races

View Data

Showing 2015–2025. Full 17-year historical data available below ↓

Two or More Races Student Percentage Comparison (2009-2025)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2025	5%	6%
2024	5%	6%
2023	5%	6%	6%
2022	4%	5%	6%
2021	4%	5%	6%
2020	5%	5%	6%
2019	6%	4%	6%
2018	5%	4%	5%
2017	6%	4%	5%
2015	5%	3%	5%
2014	5%	3%	4%
2013	5%	3%	4%
2012	4%	3%	4%
2011	3%	3%	3%
2010	2%	3%	2%
2009	3%	3%	2%

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All Ethnic Groups

74%

80%

0.59

0.63

View Data

Showing 2015–2025. Full 38-year historical data available below ↓

Diversity Score Comparison (1988-2025)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2025	0.59	0.63
2024	0.60	0.63
2023	0.60	0.64	0.63
2022	0.61	0.63	0.64
2021	0.63	0.62	0.65
2020	0.63	0.64	0.66
2019	0.63	0.63	0.66
2018	0.63	0.64	0.66
2017	0.64	0.64	0.66
2015	0.63	0.64	0.67
2014	0.63	0.65	0.68
2013	0.63	0.65	0.68
2012	0.65	0.65	0.69
2011	0.65	0.66	0.69
2010	0.63	0.67	0.68
2009	0.64	0.67	0.68
2008	0.62	0.65	0.66
2007	0.60	0.66	0.65
2006	0.55	0.66	0.62
2005	0.46	0.66	0.55
2004	0.47	0.67	0.54
2003	0.46	0.67	0.53
2002	0.51	0.67	0.52
2001	0.53	0.67	0.50
2000	0.51	0.67	0.49
1999	0.46	0.67	0.49
1998	0.46	0.67	0.48
1997	0.44	0.67	0.48
1996	0.44	0.67	0.48
1995	0.41	0.67	0.48
1994	0.47	0.67	0.47
1993	0.44	0.67	0.43
1992	0.43	0.67	0.39
1991	0.42	0.66	0.36
1990	0.36	0.66	0.32
1989	0.37	0.65	0.31
1988	0.36	0.65	0.29

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(22-23)

29.6%

27.7%

View Data

Chronic Absenteeism Rate (2021-2023)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2023	29.6%	27.7%	28%
2022	35.9%	33%	38.4%
2021	23.6%	15.4%	13.3%

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Eligible for

43%

54%

View Data

Showing 2015–2025. Full 34-year historical data available below ↓

Free Lunch Eligibility Comparison (1992-2025)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2025	43%	54%
2024	44%	54%
2023	45%	51%	46%
2022	39%	51%	43%
2021	35%	53%	39%
2020	41%	52%	43%
2019	40%	52%	43%
2018	41%	53%	38%
2017	41%	49%	38%
2015	31%	50%	33%
2014	34%	49%	33%
2013	35%	48%	33%
2011	34%	46%	32%
2010	32%	46%	31%
2009	30%	43%	27%
2008	25%	41%	25%
2007	24%	40%	21%
2005	25%	40%	19%
2004	23%	40%	18%
2003	21%	39%	18%
2002	25%	39%	18%
2001	30%	39%	18%
2000	25%	40%	17%
1999	27%	40%	18%
1998	30%	47%	23%
1997	23%	47%	20%
1996	25%	46%	23%
1995	27%	45%	22%
1994	25%	43%	20%
1993	22%	41%	21%
1992	20%	38%	15%

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Eligible for

10%

View Data

Showing 2015–2025. Full 27-year historical data available below ↓

Reduced-Price Lunch Eligibility Comparison (1999-2025)
Year	Del Sur Senior Elementary School	California	Westside Union Elementary School District
2025	10%	8%
2024	12%	8%
2023	10%	8%	11%
2022	16%	7%	13%
2021	12%	6%	10%
2020	8%	7%	6%
2019	8%	7%	6%
2018	6%	7%	6%
2017	6%	9%	6%
2015	9%	9%	7%
2014	8%	9%	7%
2013	7%	7%	7%
2011	9%	8%	9%
2010	7%	9%	8%
2009	7%	10%	8%
2008	10%	10%	8%
2007	10%	10%	8%
2005	5%	9%	6%
2004	6%	9%	6%
2003	6%	9%	5%
2002	5%	8%	5%
2001	3%	8%	5%
2000	4%	7%	4%
1999	6%	7%	4%

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School Statewide Testing

View Education Department Test Scores

School District Name

Westside Union Elementary School District

Sports

School Mascot

Dragons

Source: National Center for Education Statistics (NCES), CA Dept. of Education

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Frequently Asked Questions

What is Del Sur Senior Elementary School's ranking?

Del Sur Senior Elementary School is ranked #5782 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.

What schools are Del Sur Senior Elementary School often compared to?

Del Sur Senior Elementary Schoolis often viewed alongside schools like Joe Walker Middle School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

25% of students have achieved math proficiency (compared to the 34% CA state average), while 35% of students have achieved reading proficiency (compared to the 47% CA state average).

How many students attend Del Sur Senior Elementary School?

763 students attend Del Sur Senior Elementary School.

What is the racial composition of the student body?

58% of Del Sur Senior Elementary School students are Hispanic, 26% of students are White, 10% of students are Black, 5% of students are Two or more races, and 1% of students are Asian.

What is the student-teacher ratio of Del Sur Senior Elementary School?

Del Sur Senior Elementary School has a student ration of 27:1, which is higher than the California state average of 21:1.

What grades does Del Sur Senior Elementary School offer ?

Del Sur Senior Elementary School offers enrollment in grades Kindergarten-8

What school district is Del Sur Senior Elementary School part of?

Del Sur Senior Elementary School is part of Westside Union Elementary School District.

School Calendar

View the Del Sur Senior Elementary School yearly calendar below.

School Reviews

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Quick Facts (26-27)

Grades: Kindergarten-8
Enrollment: 763 students
Student-Teacher Ratio: 27:1
Minority Enrollment: 74%
: Bottom 50%
: 25% (Btm 50%)
: 35% (Btm 50%)
: 20-24% (Btm 50%)
: Del Sur Senior Elementary serves the northwest part of Lancaster, CA, covering an extensive area of approximately 243.5 square miles. Families typically travel 20 to 30 minutes to reach the school, with the average distance to the zone's edge being about 10.9 miles and the furthest edge located 23.8 miles away.
Source: National Center for Education Statistics (NCES), CA Dept. of Education

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Save this data and create your user profile. Create your own user account so you don't have to re-type your user data each time you request information. You'll also be able to track your information requests, get reminded of application dates, and more!

Username:

Password: