Mark Twain Elementary School (Ranked Bottom 50% for 2025)

1500 Oregon Ave.
Corcoran, CA 93212

( shown in map)

Bottom 50%

marktwain.corcoranunified.com

Serving 492 students in grades 4-5, Mark Twain 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 17% (which is lower than the California state average of 34%). The percentage of students achieving is 28% (which is lower than the California state average of 47%).

The student-teacher ratio of 22:1 is higher than the California state level of 21:1.

Minority enrollment is 96% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).

Quick Facts (2025)

Grades: 4-5
Enrollment: 492 students
Student-Teacher Ratio: 22:1
Minority Enrollment: 96%
: Bottom 50% in CA
: 17% (Btm 50%)
: 28% (Btm 50%)
: 10% (Btm 50%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

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

School Overview

Mark Twain Elementary School's student population of 492 students has declined by 11% over five school years.

The teacher population of 22 teachers has stayed relatively flat over five school years.

Grades Offered

Grades 4-5

View Data

Distribution of Students By Grade Trends
Grade	Mark Twain Elementary School
4	230
5	262

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Total Students

492 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Mark Twain Elementary School
2023	524
2022	518
2021	525
2020	554
2019	554
2018	541
2017	541
2016	520
2015	513
2014	514
2013	504
2012	505
2011	499
2010	456
2009	486
2008	525
2007	588
2006	624
2005	610
2004	530
2003	554
2002	518
2001	500
2000	493
1999	499
1998	525
1997	525
1996	513
1995	515
1994	529
1993	575
1992	583
1991	514
1990	473
1989	468
1988	421
1987	367

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Gender %

Total Classroom Teachers

22 teachers

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Total Classroom Teachers Trends Over Years (1990-2023)
Year	Mark Twain Elementary School
2023	23
2022	23
2021	24
2020	23
2019	23
2018	19
2017	19
2016	21
2015	20
2014	19
2013	17
2012	17
2010	24
2009	25
2008	24
2007	25
2006	26
2005	22
2004	22
2003	25
2002	22
2001	20
2000	20
1999	20
1998	22
1997	22
1996	24
1995	24
1994	23
1993	24
1992	22
1991	21
1990	20

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Last Day of School

Mon. May 25, 2026

School Motto

Soar for Four

School Mascot

Eagles

School Rankings

Mark Twain 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 Mark Twain Elementary School is 0.15, 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)

#7416 out of 9523 schools
(Bottom 50%)

View Data

Overall School Rank Trends Over Years (2011-2023)
Year	Mark Twain Elementary School
2023	#7416
2022	#7677
2021	#3418
2019	#6968
2018	#6724
2017	#7422
2016	#8634
2015	#7775
2013	#7340
2012	#7028
2011	#4688

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17%

34%

View Data

Math Proficiency Comparison Over Years (2011-2023)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2023	17%	34%	17%
2022	14%	33%	14%
2021	6%	34%	12%
2019	25%	40%	24%
2018	26%	39%	19%
2017	20%	38%	17%
2016	11%	37%	14%
2015	11%	34%	11%
2013	45%	59%	38%
2012	50%	59%	42%
2011	68%	58%	48%

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28%

47%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2010-2022)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2022	28%	47%	32%
2021	24%	49%	30%
2019	35%	51%	38%
2018	33%	50%	19%
2017	28%	48%	31%
2016	23%	48%	28%
2015	21%	44%	21%
2013	36%	57%	34%
2012	42%	58%	39%
2011	42%	56%	38%
2010	42%	54%	37%

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10%

29%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2022	10%	29%	12%
2021	9%	28%	10%

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Student-Teacher Ratio

22:1

21:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2023	23:1	22:1	21:1
2022	23:1	21:1	21:1
2021	22:1	22:1	21:1
2020	24:1	23:1	22:1
2019	24:1	23:1	22:1
2018	28:1	23:1	23:1
2017	28:1	23:1	23:1
2016	25:1	24:1	22:1
2015	26:1	24:1	22:1
2014	27:1	24:1	23:1
2013	30:1	24:1	24:1
2012	30:1	23:1	23:1
2010	19:1	21:1	19:1
2009	19:1	20:1	19:1
2008	22:1	18:1	17:1
2007	24:1	21:1	20:1
2006	24:1	20:1	20:1
2005	28:1	21:1	21:1
2004	24:1	21:1	20:1
2003	22:1	20:1	20:1
2002	24:1	20:1	20:1
2001	25:1	20:1	20:1
2000	25:1	21:1	20:1
1999	25:1	21:1	21:1
1998	24:1	21:1	20:1
1997	24:1	23:1	22:1
1996	21:1	25:1	22:1
1995	21:1	25:1	22:1
1994	23:1	25:1	23:1
1993	24:1	25:1	24:1
1992	27:1	24:1	23:1
1991	24:1	24:1	22:1
1990	23:1	24:1	24:1

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American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (2005-2020)
Year	Mark Twain Elementary School	California
2020	1%	1%
2019	1%	1%
2005	1%	2%

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Asian

n/a

12%

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Asian Student Percentage Comparison Over Years (1990-2020)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2020	1%	12%	1%
2019	1%	12%	1%
2011	1%	11%	1%
2010	1%	11%	1%
2007	1%	12%	1%
2006	2%	12%	3%
2005	1%	12%	2%
2004	1%	12%	1%
2003	1%	11%	1%
2001	2%	11%	2%
2000	1%	11%	1%
1999	1%	11%	1%
1998	1%	11%	1%
1995	1%	11%	1%
1994	1%	11%	1%
1993	1%	11%	1%
1992	1%	11%	1%
1991	1%	11%
1990	1%	10%	2%

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Hispanic

92%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2023	92%	55%	92%
2022	93%	56%	92%
2021	93%	56%	91%
2020	91%	55%	90%
2019	91%	55%	90%
2018	93%	54%	90%
2017	93%	54%	90%
2016	92%	54%	90%
2015	91%	54%	90%
2014	91%	53%	90%
2013	90%	53%	87%
2012	90%	52%	87%
2011	89%	51%	85%
2010	86%	50%	85%
2009	83%	49%	84%
2008	86%	50%	84%
2007	83%	49%	83%
2006	82%	48%	82%
2005	82%	47%	81%
2004	85%	46%	82%
2003	81%	45%	82%
2002	82%	44%	81%
2001	79%	43%	80%
2000	79%	42%	80%
1999	79%	41%	80%
1998	80%	40%	79%
1997	80%	40%	78%
1996	78%	39%	76%
1995	79%	38%	76%
1994	80%	37%	76%
1993	76%	36%	75%
1992	77%	35%	75%
1991	73%	34%	74%

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Black

View Data

Black Student Percentage Comparison Over Years (1991-2023)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2023	2%	5%	2%
2022	1%	5%	2%
2021	2%	5%	3%
2020	3%	5%	3%
2019	3%	5%	3%
2018	2%	6%	3%
2017	2%	6%	3%
2016	3%	6%	3%
2015	3%	6%	3%
2014	3%	6%	3%
2013	3%	6%	3%
2012	4%	6%	3%
2011	3%	7%	4%
2010	5%	7%	3%
2009	6%	7%	4%
2008	3%	8%	4%
2007	4%	8%	4%
2006	5%	8%	5%
2005	5%	8%	4%
2004	4%	8%	4%
2003	5%	8%	4%
2002	4%	8%	4%
2001	4%	8%	4%
2000	4%	9%	4%
1999	3%	9%	4%
1998	4%	9%	4%
1997	4%	9%	4%
1996	4%	9%	4%
1995	5%	9%	5%
1994	4%	9%	4%
1993	5%	9%	5%
1992	5%	9%	5%
1991	5%	9%	5%

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White

20%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2023	5%	21%	4%
2022	5%	21%	5%
2021	5%	22%	5%
2020	4%	23%	6%
2019	4%	23%	6%
2018	5%	24%	7%
2017	5%	24%	7%
2016	5%	24%	7%
2015	6%	24%	7%
2014	6%	25%	7%
2013	7%	25%	8%
2012	6%	26%	8%
2011	7%	27%	10%
2010	8%	27%	10%
2009	11%	28%	10%
2008	11%	29%	11%
2007	12%	29%	12%
2006	11%	31%	10%
2005	11%	31%	13%
2004	10%	32%	13%
2003	13%	34%	13%
2002	14%	35%	14%
2001	15%	36%	14%
2000	16%	37%	15%
1999	17%	38%	15%
1998	15%	39%	16%
1997	16%	39%	17%
1996	18%	40%	18%
1995	15%	41%	18%
1994	15%	42%	19%
1993	18%	43%	19%
1992	17%	44%	19%
1991	21%	45%	21%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2022-2023)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2023	1%	6%	1%
2022	1%	5%

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All Ethnic Groups

0.15

0.63

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2023	0.15	0.64	0.16
2022	0.13	0.63	0.16
2021	0.13	0.62	0.17
2020	0.17	0.63	0.18
2019	0.17	0.63	0.18
2018	0.13	0.64	0.19
2017	0.13	0.64	0.19
2016	0.15	0.64	0.18
2015	0.17	0.64	0.18
2014	0.17	0.65	0.20
2013	0.19	0.65	0.25
2012	0.20	0.65	0.24
2011	0.20	0.67	0.28
2010	0.25	0.67	0.27
2009	0.30	0.71	0.28
2008	0.27	0.65	0.28
2007	0.30	0.67	0.30
2006	0.32	0.66	0.30
2005	0.32	0.67	0.32
2004	0.27	0.67	0.31
2003	0.34	0.67	0.31
2002	0.33	0.67	0.32
2001	0.36	0.67	0.34
2000	0.35	0.67	0.34
1999	0.35	0.67	0.34
1998	0.35	0.67	0.35
1997	0.34	0.67	0.36
1996	0.38	0.67	0.38
1995	0.35	0.67	0.39
1994	0.34	0.67	0.39
1993	0.39	0.67	0.40
1992	0.38	0.67	0.41
1991	0.42	0.67	0.42

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Eligible for

85%

54%

View Data

Free Lunch Eligibility Comparison Over Years (1992-2023)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2023	82%	51%	81%
2022	74%	51%	81%
2021	88%	53%	87%
2020	85%	52%	81%
2019	85%	52%	81%
2018	76%	49%	75%
2017	76%	49%	75%
2016	74%	50%	73%
2015	88%	50%	83%
2014	85%	49%	82%
2013	81%	48%	82%
2011	83%	46%	74%
2010	78%	46%	70%
2009	70%	43%	66%
2008	63%	41%	57%
2007	66%	40%	62%
2006	65%	40%	64%
2005	100%	40%	100%
2004	67%	40%	65%
2003	68%	39%	65%
2002	74%	39%	63%
2001	76%	39%	66%
2000	69%	40%	60%
1999	74%	40%	62%
1998	85%	47%	63%
1997	84%	47%	65%
1996	82%	46%	64%
1995	82%	45%	70%
1994	85%	43%	65%
1993	81%	41%	67%
1992	60%	38%	60%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2001-2023)
Year	Mark Twain Elementary School	California	Corcoran Joint Unified School District
2023	6%	8%	7%
2022	3%	7%	5%
2021	7%	6%	6%
2020	5%	7%	6%
2019	5%	7%	6%
2018	4%	9%	6%
2017	4%	9%	6%
2016	3%	9%	5%
2015	7%	9%	9%
2014	9%	9%	9%
2013	9%	7%	9%
2011	5%	8%	4%
2010	10%	9%	9%
2009	12%	10%	10%
2008	14%	10%	11%
2007	16%	10%	14%
2006	15%	9%	13%
2004	17%	9%	13%
2003	12%	9%	8%
2002	11%	8%	8%
2001	9%	8%	9%

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School Statewide Testing

View Education Department Test Scores

School District Name

Corcoran Joint Unified School District

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

School Notes

School Mascot: Eagles

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Frequently Asked Questions

What is Mark Twain Elementary School's ranking?

Mark Twain Elementary School is ranked #7416 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.

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

17% of students have achieved math proficiency (compared to the 34% CA state average), while 28% of students have achieved reading proficiency (compared to the 47% CA state average).

How many students attend Mark Twain Elementary School?

492 students attend Mark Twain Elementary School.

What is the racial composition of the student body?

92% of Mark Twain Elementary School students are Hispanic, 4% of students are White, 3% of students are Black, and 1% of students are Two or more races.

What is the student-teacher ratio of Mark Twain Elementary School?

Mark Twain Elementary School has a student ration of 22:1, which is higher than the California state average of 21:1.

What grades does Mark Twain Elementary School offer ?

Mark Twain Elementary School offers enrollment in grades 4-5

What school district is Mark Twain Elementary School part of?

Mark Twain Elementary School is part of Corcoran Joint Unified School District.

School Calendar

View the Mark Twain Elementary School yearly calendar below. Note key dates such as:

Event

Date

Thanksgiving Break - No School

November 24, 2025 (Monday)

School Reviews

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