Rios Elementary School (Ranked Bottom 50% for 2026)

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Rios Elementary School

14314 Rios Canyon Rd.
El Cajon, CA 92021

( shown in map)

Bottom 50%

Serving 261 students in grades Kindergarten-5, Rios 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 20-24% (which is lower than the California state average of 34%). The percentage of students achieving is 25-29% (which is lower than the California state average of 47%).

The student-teacher ratio of 24:1 is higher than the California state level of 21:1.

Minority enrollment is 60% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).

Quick Facts (2026)

Grades: Kindergarten-5
Enrollment: 261 students
Student-Teacher Ratio: 24:1
Minority Enrollment: 60%
: Bottom 50% in CA
: 20-24% (Btm 50%)
: 25-29% (Btm 50%)
: 11-19% (Btm 50%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education

School Overview

Rios Elementary School's student population of 261 students has stayed relatively flat over five school years.

The teacher population of 11 teachers has declined by 8% over five school years.

Grades Offered

Grades Kindergarten-5

View Data

Distribution of Students By Grade Trends
Grade	Rios Elementary School
Kind	56
1	41
2	40
3	43
4	37
5	44

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Total Students

261 students

View Data

Total Students Trends Over Years (1988-2024)
Year	Rios Elementary School
2024	261
2023	256
2022	252
2021	274
2020	345
2019	345
2018	317
2017	317
2016	271
2015	250
2014	252
2013	279
2012	296
2011	298
2010	318
2009	331
2008	322
2007	340
2006	407
2005	434
2004	457
2003	496
2002	525
2001	532
2000	558
1999	553
1998	508
1997	523
1996	518
1995	519
1994	882
1993	896
1992	841
1991	832
1990	765
1989	672
1988	676

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Gender %

Total Classroom Teachers

11 teachers

View Data

Total Classroom Teachers Trends Over Years (1987-2024)
Year	Rios Elementary School
2024	11
2023	10
2022	11
2021	12
2020	14
2019	14
2018	14
2017	14
2016	12
2015	12
2014	10
2013	11
2012	12
2010	14
2009	16
2008	19
2007	16
2006	19
2005	18
2004	20
2003	23
2002	25
2001	25
2000	25
1999	25
1998	26
1997	23
1996	17
1995	20
1994	30
1993	32
1992	32
1991	32
1990	31
1989	28
1988	24
1987	20

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School Rankings

Rios 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 Rios Elementary School is 0.62, 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)

#6795 out of 9523 schools
(Bottom 50%)

View Data

Overall School Rank Trends Over Years (2010-2023)
Year	Rios Elementary School
2023	#6795
2022	#7284
2019	#5923
2018	#6120
2017	#6727
2016	#5602
2015	#4177
2013	#3153
2012	#3381
2011	#2715
2010	#4053

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20-24%

34%

View Data

Math Proficiency Comparison Over Years (2010-2023)
Year	Rios Elementary School	California	Cajon Valley Union School District
2023	22%	34%	24%
2022	17%	33%	24%
2019	32%	40%	32%
2018	27%	39%	32%
2017	22%	38%	32%
2016	27%	37%	34%
2015	32%	34%	32%
2013	67%	59%	58%
2012	67%	59%	59%
2011	67%	58%	56%
2010	57%	56%	52%

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25-29%

47%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2010-2022)
Year	Rios Elementary School	California	Cajon Valley Union School District
2022	27%	47%	35%
2019	37%	51%	41%
2018	37%	50%	32%
2017	32%	48%	42%
2016	37%	48%	42%
2015	37%	44%	40%
2013	57%	57%	55%
2012	57%	58%	58%
2011	62%	56%	54%
2010	52%	54%	52%

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11-19%

29%

Student-Teacher Ratio

24:1

21:1

View Data

Student-Teacher Ratio Comparison Over Years (1987-2024)
Year	Rios Elementary School	California	Cajon Valley Union School District
2024	24:1	21:1
2023	26:1	22:1	23:1
2022	23:1	22:1	22:1
2021	23:1	22:1	23:1
2020	25:1	23:1	24:1
2019	25:1	23:1	24:1
2018	23:1	23:1	24:1
2017	23:1	23:1	24:1
2016	23:1	24:1	23:1
2015	21:1	24:1	24:1
2014	25:1	24:1	24:1
2013	25:1	24:1	24:1
2012	25:1	24:1	24:1
2010	23:1	22:1	22:1
2009	21:1	21:1	21:1
2008	17:1	18:1	16:1
2007	21:1	22:1	22:1
2006	21:1	22:1	21:1
2005	24:1	22:1	22:1
2004	23:1	22:1	22:1
2003	22:1	21:1	22:1
2002	21:1	21:1	22:1
2001	21:1	21:1	21:1
2000	22:1	22:1	22:1
1999	22:1	22:1	21:1
1998	20:1	22:1	21:1
1997	23:1	24:1	22:1
1996	30:1	25:1	25:1
1995	26:1	25:1	25:1
1994	30:1	25:1	26:1
1993	28:1	25:1	25:1
1992	26:1	24:1	25:1
1991	26:1	24:1	24:1
1990	25:1	24:1	25:1
1989	24:1	24:1	25:1
1988	28:1	24:1	26:1
1987	30:1	24:1	26:1

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American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (1990-2023)
Year	Rios Elementary School	California	Cajon Valley Union School District
2023	1%	1%
2022	1%	1%
2010	1%	1%	1%
2009	1%	1%	1%
2006	2%	1%	3%
2005	2%	2%	1%
2004	1%	2%	2%
2003	1%	2%	2%
2002	1%	2%	1%
2001	1%	2%	2%
2000	2%	1%	2%
1999	1%	1%	2%
1998	1%	1%	1%
1997	2%	1%	2%
1996	2%	1%	2%
1995	2%	1%	3%
1994	1%	1%	2%
1993	1%	1%	2%
1992	2%	1%	4%
1991	1%	1%	4%
1990	1%	1%	4%

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Asian

12%

View Data

Asian Student Percentage Comparison Over Years (1991-2024)
Year	Rios Elementary School	California	Cajon Valley Union School District
2024	3%	12%
2023	3%	12%	6%
2022	2%	12%	5%
2021	2%	12%	4%
2020	1%	12%	4%
2019	1%	12%	4%
2018	1%	11%	3%
2017	1%	11%	3%
2016	1%	11%	2%
2015	3%	11%	3%
2014	4%	11%	4%
2013	4%	11%	4%
2012	2%	11%	3%
2011	2%	11%	3%
2010	1%	11%	3%
2008	3%	12%	4%
2007	4%	12%	6%
2006	2%	12%	4%
2005	5%	12%	5%
2004	4%	12%	3%
2003	5%	11%	3%
2002	4%	11%	3%
2001	3%	11%	3%
2000	3%	11%	3%
1999	3%	11%	3%
1998	2%	11%	3%
1997	2%	11%	3%
1996	3%	11%	3%
1995	3%	11%	3%
1994	2%	11%	4%
1993	3%	11%	4%
1992	3%	11%	3%
1991	2%	11%	3%

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Hispanic

47%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1988-2024)
Year	Rios Elementary School	California	Cajon Valley Union School District
2024	47%	56%
2023	43%	55%	37%
2022	43%	56%	37%
2021	42%	56%	36%
2020	41%	55%	34%
2019	41%	55%	34%
2018	39%	54%	37%
2017	39%	54%	37%
2016	37%	54%	37%
2015	37%	54%	37%
2014	37%	53%	36%
2013	37%	53%	36%
2012	38%	52%	37%
2011	37%	51%	36%
2010	32%	50%	35%
2009	27%	49%	33%
2008	26%	50%	37%
2007	26%	49%	34%
2006	24%	48%	33%
2005	22%	47%	30%
2004	21%	46%	28%
2003	18%	45%	27%
2002	18%	44%	26%
2001	17%	43%	25%
2000	16%	42%	24%
1999	16%	41%	22%
1998	15%	40%	22%
1997	15%	40%	21%
1996	12%	39%	19%
1995	9%	38%	18%
1994	9%	37%	17%
1993	8%	36%	16%
1992	6%	35%	15%
1991	5%	34%	13%
1990	7%	33%	12%
1989	7%	31%	11%
1988	5%	30%	10%

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Black

View Data

Black Student Percentage Comparison Over Years (1994-2024)
Year	Rios Elementary School	California	Cajon Valley Union School District
2024	5%	5%
2023	4%	5%	7%
2022	2%	5%	7%
2021	2%	5%	7%
2020	4%	5%	6%
2019	4%	5%	6%
2018	4%	6%	6%
2017	4%	6%	6%
2016	3%	6%	7%
2015	4%	6%	7%
2014	4%	6%	7%
2013	3%	6%	7%
2012	2%	6%	7%
2011	2%	7%	7%
2010	2%	7%	7%
2009	2%	7%	7%
2008	1%	8%	8%
2007	3%	8%	8%
2006	3%	8%	8%
2005	3%	8%	9%
2004	6%	8%	7%
2003	5%	8%	7%
2002	5%	8%	7%
2001	4%	8%	7%
2000	3%	9%	7%
1999	4%	9%	7%
1998	4%	9%	6%
1997	4%	9%	6%
1996	5%	9%	6%
1995	5%	9%	5%
1994	1%	9%	5%

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White

40%

20%

View Data

White Student Percentage Comparison Over Years (1988-2024)
Year	Rios Elementary School	California	Cajon Valley Union School District
2024	40%	20%
2023	42%	21%	43%
2022	45%	21%	43%
2021	47%	22%	45%
2020	48%	23%	48%
2019	48%	23%	48%
2018	51%	24%	48%
2017	51%	24%	48%
2016	55%	24%	48%
2015	51%	24%	47%
2014	50%	25%	47%
2013	51%	25%	47%
2012	51%	26%	47%
2011	53%	27%	47%
2010	58%	27%	46%
2009	59%	28%	45%
2008	70%	29%	50%
2007	67%	29%	49%
2006	69%	31%	52%
2005	68%	31%	55%
2004	68%	32%	60%
2003	71%	34%	61%
2002	72%	35%	63%
2001	75%	36%	63%
2000	76%	37%	64%
1999	76%	38%	66%
1998	78%	39%	68%
1997	77%	39%	68%
1996	78%	40%	70%
1995	81%	41%	71%
1994	86%	42%	72%
1993	87%	43%	74%
1992	89%	44%	74%
1991	91%	45%	76%
1990	90%	47%	78%
1989	90%	49%	80%
1988	93%	50%	82%

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Hawaiian

n/a

View Data

Native Hawaiian or Pacific Islander Student Percentage Comparison Over Years (2009-2010)
Year	Rios Elementary School	California	Cajon Valley Union School District
2010	1%	1%	1%
2009	1%	1%	1%

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Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2010-2024)
Year	Rios Elementary School	California	Cajon Valley Union School District
2024	5%	6%
2023	7%	6%	6%
2022	7%	5%	7%
2021	5%	5%	7%
2020	5%	4%	7%
2019	5%	4%	7%
2018	5%	4%	6%
2017	5%	4%	6%
2016	4%	4%	6%
2015	5%	3%	6%
2014	5%	3%	6%
2013	5%	3%	6%
2012	7%	3%	5%
2011	6%	2%	6%
2010	5%	3%	7%

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All Ethnic Groups

0.62

0.63

View Data

Diversity Score Comparison Over Years (1988-2024)
Year	Rios Elementary School	California	Cajon Valley Union School District
2024	0.62	0.63
2023	0.64	0.64	0.68
2022	0.61	0.63	0.67
2021	0.61	0.62	0.66
2020	0.60	0.63	0.65
2019	0.60	0.63	0.65
2018	0.59	0.64	0.63
2017	0.59	0.64	0.63
2016	0.56	0.64	0.63
2015	0.60	0.64	0.64
2014	0.61	0.65	0.64
2013	0.60	0.65	0.65
2012	0.60	0.65	0.65
2011	0.58	0.67	0.65
2010	0.57	0.67	0.66
2009	0.58	0.71	0.68
2008	0.45	0.65	0.60
2007	0.52	0.67	0.60
2006	0.47	0.66	0.61
2005	0.49	0.67	0.60
2004	0.49	0.67	0.56
2003	0.46	0.67	0.55
2002	0.45	0.67	0.54
2001	0.41	0.67	0.53
2000	0.40	0.67	0.52
1999	0.40	0.67	0.51
1998	0.37	0.67	0.50
1997	0.39	0.67	0.49
1996	0.37	0.67	0.47
1995	0.33	0.67	0.46
1994	0.25	0.67	0.45
1993	0.24	0.67	0.43
1992	0.21	0.67	0.43
1991	0.17	0.67	0.40
1990	0.19	0.66	0.38
1989	0.19	0.65	0.35
1988	0.13	0.65	0.32

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Eligible for

62%

54%

View Data

Free Lunch Eligibility Comparison Over Years (1993-2024)
Year	Rios Elementary School	California	Cajon Valley Union School District
2024	62%	54%
2023	62%	51%	64%
2022	44%	51%	53%
2021	54%	53%	63%
2020	56%	52%	62%
2019	56%	52%	62%
2018	60%	49%	64%
2017	60%	49%	64%
2016	59%	50%	63%
2015	54%	50%	59%
2014	48%	49%	55%
2013	47%	48%	61%
2011	45%	46%	50%
2010	43%	46%	49%
2009	31%	43%	40%
2008	27%	41%	43%
2007	24%	40%	38%
2006	25%	40%	38%
2005	27%	40%	37%
2004	33%	40%	38%
2003	24%	39%	37%
2002	29%	39%	37%
2001	25%	39%	37%
2000	28%	40%	38%
1999	32%	40%	42%
1998	45%	47%	54%
1997	46%	47%	53%
1996	45%	46%	53%
1995	43%	45%	51%
1994	29%	43%	50%
1993	27%	41%	45%

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Eligible for

15%

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (1999-2024)
Year	Rios Elementary School	California	Cajon Valley Union School District
2024	15%	8%
2023	13%	8%	8%
2022	4%	7%	3%
2021	9%	6%	6%
2020	12%	7%	7%
2019	12%	7%	7%
2018	16%	9%	7%
2017	16%	9%	7%
2016	12%	9%	6%
2015	15%	9%	9%
2014	15%	9%	9%
2013	13%	7%	7%
2011	14%	8%	10%
2010	9%	9%	11%
2009	10%	10%	11%
2008	15%	10%	13%
2007	16%	10%	12%
2006	12%	9%	12%
2005	11%	9%	12%
2004	12%	9%	12%
2003	14%	9%	12%
2002	18%	8%	12%
2001	16%	8%	12%
2000	15%	7%	10%
1999	14%	7%	10%

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School Statewide Testing

School District Name

Cajon Valley Union School District

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

Frequently Asked Questions

What is Rios Elementary School's ranking?

Rios Elementary School is ranked #6795 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.

What schools are Rios Elementary School often compared to?

Rios Elementary Schoolis often viewed alongside schools like Crest Elementary School, Blossom Valley Elementary School by visitors of our site.

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

20-24% of students have achieved math proficiency (compared to the 34% CA state average), while 25-29% of students have achieved reading proficiency (compared to the 47% CA state average).

How many students attend Rios Elementary School?

261 students attend Rios Elementary School.

What is the racial composition of the student body?

47% of Rios Elementary School students are Hispanic, 40% of students are White, 5% of students are Black, 5% of students are Two or more races, and 3% of students are Asian.

What is the student-teacher ratio of Rios Elementary School?

Rios Elementary School has a student ration of 24:1, which is higher than the California state average of 21:1.

What grades does Rios Elementary School offer ?

Rios Elementary School offers enrollment in grades Kindergarten-5

What school district is Rios Elementary School part of?

Rios Elementary School is part of Cajon Valley Union School District.

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Quick Facts (2026)

Grades: Kindergarten-5
Enrollment: 261 students
Student-Teacher Ratio: 24:1
Minority Enrollment: 60%
: Bottom 50%
: 20-24% (Btm 50%)
: 25-29% (Btm 50%)
: 11-19% (Btm 50%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education