Carlton Elementary School (Ranked Top 5% for 2025-26)

2421 Carlton Ave.
San Jose, CA 95124

( shown in map)

10/

Top 5%

Serving 662 students in grades Kindergarten-5, Carlton Elementary School ranks in the top 5% of all schools in California for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).

The percentage of students achieving is 83% (which is higher than the California state average of 34%). The percentage of students achieving is 84% (which is higher than the California state average of 47%).

The student-teacher ratio of 26:1 is higher than the California state level of 21:1.

Minority enrollment is 67% of the student body (majority Asian), which is lower than the California state average of 80% (majority Hispanic).

Quick Facts (2025-26)

Grades: Kindergarten-5
Enrollment: 662 students
Student-Teacher Ratio: 26:1
Minority Enrollment: 67%
: Top 5% in CA
: 83% (Top 5%)
: 84% (Top 5%)
: 70-74% (Top 5%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Carlton Elementary School ranks among the top 20% of public schools in California for:

School Overview

Carlton Elementary School's student population of 662 students has declined by 6% over five school years.

The teacher population of 25 teachers has declined by 7% over five school years.

Grades Offered

Grades Kindergarten-5

View Data

Distribution of Students By Grade Trends
Grade	Carlton Elementary School
Kind	136
1	96
2	104
3	109
4	100
5	117

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Total Students

662 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Carlton Elementary School
2023	672
2022	628
2021	657
2020	710
2019	710
2018	703
2017	703
2016	692
2015	705
2014	673
2013	638
2012	592
2011	540
2010	558
2009	496
2008	457
2007	445
2006	420
2005	401
2004	332
2003	351
2002	375
2001	377
2000	404
1999	400
1998	380
1997	395
1996	388
1995	376
1994	353
1993	347
1992	370
1991	364
1990	329
1989	341
1988	356
1987	339

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Gender %

Total Classroom Teachers

25 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	Carlton Elementary School
2023	24
2022	20
2021	25
2020	27
2019	27
2018	27
2017	27
2016	28
2015	28
2014	26
2013	24
2012	23
2010	25
2009	24
2008	23
2007	20
2006	20
2005	19
2004	16
2003	19
2002	20
2001	21
2000	19
1999	22
1998	20
1997	21
1996	20
1995	20
1994	19
1993	18
1992	19
1991	18
1990	18

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Year Founded

1956

Last Day of School

Mon. May 25, 2026

School Mascot

Eagle

School Rankings

Carlton Elementary School ranks within the top 5% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).

The of Carlton Elementary School is 0.66, which is more 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)

#168 out of 9523 schools
(Top 5%)

View Data

Overall School Rank Trends Over Years (2010-2023)
Year	Carlton Elementary School
2023	#168
2022	#123
2019	#296
2018	#311
2017	#298
2016	#406
2015	#499
2013	#554
2012	#536
2011	#455
2010	#386

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83%

34%

View Data

Math Proficiency Comparison Over Years (2010-2023)
Year	Carlton Elementary School	California	Union Elementary School District
2023	83%	34%	74%
2022	87%	33%	73%
2019	84%	40%	76%
2018	80%	39%	75%
2017	83%	38%	75%
2016	76%	37%	73%
2015	67%	34%	69%
2013	89%	59%	84%
2012	88%	59%	85%
2011	86%	58%	83%
2010	90%	56%	81%

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84%

47%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2010-2022)
Year	Carlton Elementary School	California	Union Elementary School District
2022	84%	47%	75%
2019	81%	51%	78%
2018	82%	50%	75%
2017	80%	48%	78%
2016	81%	48%	77%
2015	77%	44%	75%
2013	80%	57%	83%
2012	83%	58%	84%
2011	86%	56%	82%
2010	82%	54%	78%

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70-74%

29%

Student-Teacher Ratio

26:1

21:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Carlton Elementary School	California	Union Elementary School District
2023	28:1	22:1	24:1
2022	31:1	21:1	24:1
2021	26:1	22:1	23:1
2020	26:1	23:1	24:1
2019	26:1	23:1	24:1
2018	26:1	23:1	24:1
2017	26:1	23:1	24:1
2016	25:1	24:1	24:1
2015	25:1	24:1	24:1
2014	26:1	24:1	24:1
2013	26:1	24:1	24:1
2012	26:1	23:1	24:1
2010	22:1	21:1	22:1
2009	21:1	20:1	21:1
2008	20:1	18:1	19:1
2007	22:1	21:1	22:1
2006	21:1	20:1	21:1
2005	21:1	21:1	21:1
2004	21:1	21:1	21:1
2003	18:1	20:1	21:1
2002	19:1	20:1	21:1
2001	18:1	20:1	21:1
2000	21:1	21:1	21:1
1999	18:1	21:1	20:1
1998	19:1	21:1	20:1
1997	19:1	23:1	23:1
1996	20:1	25:1	23:1
1995	19:1	25:1	22:1
1994	19:1	25:1	23:1
1993	20:1	25:1	22:1
1992	20:1	24:1	23:1
1991	20:1	24:1	22:1
1990	18:1	24:1	22:1

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American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (1989-2003)
Year	Carlton Elementary School	California	Union Elementary School District
2003	1%	2%	1%
2002	2%	2%	1%
2001	1%	2%	2%
2000	2%	1%	1%
1999	1%	1%	1%
1995	1%	1%	1%
1994	2%	1%	1%
1992	1%	1%
1990	2%	1%	1%
1989	7%	1%	2%

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Asian

47%

12%

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Carlton Elementary School	California	Union Elementary School District
2023	43%	12%	38%
2022	42%	12%	37%
2021	39%	12%	34%
2020	34%	12%	30%
2019	34%	12%	30%
2018	27%	11%	24%
2017	27%	11%	24%
2016	25%	11%	22%
2015	21%	11%	19%
2014	20%	11%	19%
2013	17%	11%	19%
2012	15%	11%	17%
2011	15%	11%	16%
2010	13%	11%	16%
2009	12%	11%	16%
2008	12%	12%	15%
2007	11%	12%	15%
2006	10%	12%	14%
2005	9%	12%	13%
2004	11%	12%	12%
2003	9%	11%	12%
2002	7%	11%	11%
2001	7%	11%	10%
2000	6%	11%	10%
1999	9%	11%	10%
1998	6%	11%	10%
1997	7%	11%	9%
1996	7%	11%	9%
1995	5%	11%	8%
1994	6%	11%	8%
1993	3%	11%	7%
1992	6%	11%	8%
1991	5%	11%	8%

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Hispanic

56%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Carlton Elementary School	California	Union Elementary School District
2023	11%	55%	16%
2022	11%	56%	15%
2021	11%	56%	16%
2020	11%	55%	16%
2019	11%	55%	16%
2018	10%	54%	16%
2017	10%	54%	16%
2016	9%	54%	16%
2015	11%	54%	16%
2014	14%	53%	17%
2013	17%	53%	18%
2012	17%	52%	19%
2011	18%	51%	19%
2010	16%	50%	18%
2009	12%	49%	18%
2008	12%	50%	18%
2007	11%	49%	17%
2006	12%	48%	16%
2005	12%	47%	15%
2004	11%	46%	14%
2003	9%	45%	13%
2002	8%	44%	12%
2001	7%	43%	12%
2000	6%	42%	11%
1999	5%	41%	12%
1998	8%	40%	11%
1997	7%	40%	11%
1996	5%	39%	10%
1995	9%	38%	10%
1994	10%	37%	9%
1993	9%	36%	9%
1992	8%	35%	8%
1991	16%	34%	9%

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Black

View Data

Black Student Percentage Comparison Over Years (1988-2023)
Year	Carlton Elementary School	California	Union Elementary School District
2023	1%	5%	1%
2022	1%	5%	1%
2021	1%	5%	1%
2016	1%	6%	1%
2014	1%	6%	1%
2013	1%	6%	1%
2012	1%	6%	2%
2011	1%	7%	2%
2010	1%	7%	2%
2009	1%	7%	2%
2008	2%	8%	3%
2007	2%	8%	3%
2006	3%	8%	3%
2005	2%	8%	3%
2004	1%	8%	3%
2003	2%	8%	3%
2002	2%	8%	3%
2001	1%	8%	2%
2000	2%	9%	3%
1999	2%	9%	3%
1998	3%	9%	3%
1997	3%	9%	3%
1996	2%	9%	3%
1995	3%	9%	2%
1994	3%	9%	2%
1993	1%	9%	2%
1992	2%	9%	2%
1991	2%	9%	3%
1990	2%	9%	2%
1989	2%	9%	2%
1988	1%	9%	2%

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White

33%

20%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Carlton Elementary School	California	Union Elementary School District
2023	34%	21%	37%
2022	36%	21%	39%
2021	40%	22%	40%
2020	46%	23%	44%
2019	46%	23%	44%
2018	55%	24%	50%
2017	55%	24%	50%
2016	57%	24%	52%
2015	48%	24%	53%
2014	51%	25%	52%
2013	53%	25%	54%
2012	59%	26%	56%
2011	61%	27%	57%
2010	66%	27%	59%
2009	71%	28%	61%
2008	74%	29%	64%
2007	76%	29%	65%
2006	75%	31%	67%
2005	77%	31%	68%
2004	77%	32%	70%
2003	79%	34%	71%
2002	81%	35%	73%
2001	83%	36%	74%
2000	84%	37%	75%
1999	83%	38%	74%
1998	83%	39%	75%
1997	83%	39%	76%
1996	86%	40%	77%
1995	82%	41%	79%
1994	79%	42%	80%
1993	87%	43%	81%
1992	83%	44%	82%
1991	77%	45%	80%

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Hawaiian

n/a

View Data

Native Hawaiian or Pacific Islander Student Percentage Comparison Over Years (2011-2014)
Year	Carlton Elementary School	California	Union Elementary School District
2014	1%	1%
2013	1%	1%
2012	1%	1%
2011	1%	1%	1%

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Two or more races

10%

View Data

Two or More Races Student Percentage Comparison Over Years (2009-2023)
Year	Carlton Elementary School	California	Union Elementary School District
2023	11%	6%	8%
2022	10%	5%	8%
2021	9%	5%	9%
2020	9%	4%	9%
2019	9%	4%	9%
2018	8%	4%	9%
2017	8%	4%	9%
2016	8%	4%	9%
2015	20%	3%	11%
2014	13%	3%	11%
2013	11%	3%	8%
2012	7%	3%	6%
2011	4%	2%	5%
2010	4%	3%	4%
2009	3%	3%	3%

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All Ethnic Groups

0.66

0.63

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Carlton Elementary School	California	Union Elementary School District
2023	0.68	0.64	0.70
2022	0.68	0.63	0.70
2021	0.67	0.62	0.70
2020	0.66	0.63	0.70
2019	0.66	0.63	0.70
2018	0.61	0.64	0.67
2017	0.61	0.64	0.67
2016	0.60	0.64	0.65
2015	0.68	0.64	0.65
2014	0.67	0.65	0.66
2013	0.66	0.65	0.64
2012	0.61	0.65	0.63
2011	0.59	0.67	0.61
2010	0.53	0.67	0.60
2009	0.47	0.71	0.57
2008	0.43	0.65	0.54
2007	0.40	0.67	0.53
2006	0.42	0.66	0.52
2005	0.39	0.67	0.50
2004	0.39	0.67	0.48
2003	0.36	0.67	0.46
2002	0.34	0.67	0.44
2001	0.30	0.67	0.43
2000	0.29	0.67	0.42
1999	0.30	0.67	0.43
1998	0.30	0.67	0.41
1997	0.30	0.67	0.39
1996	0.26	0.67	0.39
1995	0.32	0.67	0.35
1994	0.36	0.67	0.35
1993	0.24	0.67	0.33
1992	0.30	0.67	0.32
1991	0.38	0.67	0.34

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Eligible for

54%

View Data

Free Lunch Eligibility Comparison Over Years (1992-2023)
Year	Carlton Elementary School	California	Union Elementary School District
2023	4%	51%	9%
2022	4%	51%	8%
2021	5%	53%	8%
2020	5%	52%	9%
2019	5%	52%	9%
2018	3%	49%	8%
2017	3%	49%	8%
2016	4%	50%	8%
2015	5%	50%	8%
2014	7%	49%	10%
2013	8%	48%	10%
2011	7%	46%	12%
2010	6%	46%	11%
2009	4%	43%	10%
2008	4%	41%	11%
2007	3%	40%	9%
2006	3%	40%	10%
2005	4%	40%	9%
2004	6%	40%	10%
2003	6%	39%	10%
2002	4%	39%	7%
2001	2%	39%	8%
2000	3%	40%	10%
1999	4%	40%	9%
1998	9%	47%	13%
1997	16%	47%	17%
1996	14%	46%	18%
1995	14%	45%	16%
1994	11%	43%	12%
1993	14%	41%	14%
1992	14%	38%	11%

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Eligible for (21-22)

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2000-2022)
Year	Carlton Elementary School	California	Union Elementary School District
2022	1%	7%	1%
2016	1%	9%	2%
2015	1%	9%	2%
2014	1%	9%	2%
2013	2%	7%	3%
2011	2%	8%	3%
2010	1%	9%	4%
2009	2%	10%	4%
2008	2%	10%	4%
2007	1%	10%	3%
2006	2%	9%	4%
2005	2%	9%	3%
2004	1%	9%	3%
2003	1%	9%	4%
2002	1%	8%	3%
2001	1%	8%	3%
2000	2%	7%	4%

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School Statewide Testing

School District Name

Union Elementary School District

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

School Notes

School Mascot: Eagle

Profile last updated: 02/09/2025

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Frequently Asked Questions

What is Carlton Elementary School's ranking?

Carlton Elementary School is ranked #168 out of 9,523 schools, which ranks it among the top 5% of public schools in California.

What schools are Carlton Elementary School often compared to?

Carlton Elementary Schoolis often viewed alongside schools like Alta Vista Elementary School, Oster Elementary School by visitors of our site.

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

83% of students have achieved math proficiency (compared to the 34% CA state average), while 84% of students have achieved reading proficiency (compared to the 47% CA state average).

How many students attend Carlton Elementary School?

662 students attend Carlton Elementary School.

What is the racial composition of the student body?

47% of Carlton Elementary School students are Asian, 33% of students are White, 10% of students are Two or more races, 9% of students are Hispanic, and 1% of students are Black.

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

Carlton Elementary School has a student ration of 26:1, which is higher than the California state average of 21:1.

What grades does Carlton Elementary School offer ?

Carlton Elementary School offers enrollment in grades Kindergarten-5

What school district is Carlton Elementary School part of?

Carlton Elementary School is part of Union Elementary School District.

In what neighborhood is Carlton Elementary School located?

Carlton Elementary School is located in the Carlton neighborhood of San Jose, CA.