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Sierra High (Continuation School)

461 Sierra Park Rd.
Mammoth Lakes, CA 93546

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Tel: (760) 934-6802

www.mammothusd.org

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Sierra High (Continuation School) serves 9 students in grades 10-12.

The student-teacher ratio of 9:1 is lower than the California state level of 21:1.

Quick Facts (2026)

School Type: Alternative school
Grades: 10-12
Enrollment: 9 students
Student-Teacher Ratio: 9:1
: ≥50% (Top 1% in CA)
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Sierra High (Continuation School) ranks among the top 20% of public schools in California for:

School Overview

Sierra High (Continuation School)'s student population of 9 students has grown by 50% over five school years.

The teacher population of 1 teachers has stayed relatively flat over five school years.

School Type

Alternative school

Grades Offered

Grades 10-12

View Data

Distribution of Students By Grade Trends
Grade	Sierra High (Continuation School)
11	5
12	4

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Total Students

9 students

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Total Students Trends Over Years (1995-2025)
Year	Sierra High (Continuation School)
2025	9
2024	2
2023	9
2022	12
2021	6
2020	8
2019	10
2018	11
2017	11
2016	14
2015	11
2014	16
2013	19
2012	17
2011	17
2010	25
2009	22
2008	21
2007	32
2006	17
2005	23
2004	27
2003	23
2002	17
2001	26
2000	15
1999	24
1998	14
1997	14
1996	13
1995	16

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Total Classroom Teachers

1 teacher

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Total Classroom Teachers Trends Over Years (1993-2025)
Year	Sierra High (Continuation School)
2025	1
2024	1
2023	1
2022	1
2021	1
2019	1
2018	1
2017	1
2016	1
2015	1
2014	1
2013	1
2012	1
2010	2
2009	2
2008	2
2007	2
2006	2
2005	2
2004	1
2003	2
2002	2
2001	2
2000	2
1999	2
1998	2
1997	2
1996	1
1995	1
1994	2
1993	1

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Year Founded

1905

Colors

Blue and Gold

School Calendar

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School Rankings

The of Sierra High (Continuation School) is 0.00, 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)

Student-Teacher Ratio

9:1

21:1

View Data

Student-Teacher Ratio Comparison Over Years (1993-2025)
Year	Sierra High (Continuation School)	California	Mammoth Unified School District
2025	9:1	21:1
2024	2:1	22:1	18:1
2023	9:1	22:1	20:1
2022	12:1	22:1	20:1
2021	6:1	22:1	19:1
2019	10:1	23:1	21:1
2018	11:1	23:1	20:1
2017	11:1	23:1	20:1
2016	14:1	24:1	19:1
2015	11:1	24:1	19:1
2014	16:1	24:1	19:1
2013	19:1	24:1	19:1
2012	20:1	24:1	18:1
2010	13:1	22:1	18:1
2009	11:1	21:1	17:1
2008	11:1	18:1	16:1
2007	16:1	22:1	18:1
2006	9:1	22:1	18:1
2005	12:1	22:1	19:1
2004	27:1	22:1	20:1
2003	12:1	21:1	20:1
2002	9:1	21:1	21:1
2001	13:1	21:1	20:1
2000	8:1	22:1	21:1
1999	12:1	22:1	21:1
1998	7:1	22:1	21:1
1997	7:1	24:1	21:1
1996	13:1	25:1	23:1
1995	18:1	25:1	25:1
1994	9:1	25:1	23:1
1993	9:1	25:1	24:1

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Hispanic

100%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1994-2024)
Year	Sierra High (Continuation School)	California	Mammoth Unified School District
2024	50%	56%	60%
2023	67%	55%	58%
2022	83%	56%	59%
2021	83%	56%	60%
2020	75%	55%	58%
2019	80%	55%	58%
2018	91%	54%	58%
2017	91%	54%	58%
2016	72%	54%	58%
2015	73%	54%	46%
2014	56%	53%	58%
2013	37%	53%	55%
2012	53%	52%	55%
2011	59%	51%	54%
2010	56%	50%	53%
2009	55%	49%	50%
2008	57%	50%	49%
2007	65%	49%	48%
2006	92%	48%	45%
2005	52%	47%	39%
2004	21%	46%	33%
2003	39%	45%	32%
2002	31%	44%	30%
2001	50%	43%	27%
2000	40%	42%	26%
1999	25%	41%	24%
1998	14%	40%	22%
1997	7%	40%	19%
1996	15%	39%	17%
1995	25%	38%	15%
1994	29%	37%	15%

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All Ethnic Groups

0.00

0.63

View Data

Diversity Score Comparison Over Years (1994-2024)
Year	Sierra High (Continuation School)	California	Mammoth Unified School District
2024	0.51	0.63	0.52
2023	0.45	0.64	0.53
2022	0.29	0.63	0.52
2021	0.29	0.62	0.51
2020	0.38	0.63	0.52
2019	0.32	0.63	0.52
2018	0.17	0.64	0.51
2017	0.17	0.64	0.51
2016	0.41	0.64	0.51
2015	0.40	0.64	0.48
2014	0.54	0.65	0.52
2013	0.47	0.65	0.52
2012	0.50	0.65	0.52
2011	0.57	0.67	0.52
2010	0.50	0.67	0.54
2009	0.50	0.71	0.55
2008	0.50	0.65	0.52
2007	0.49	0.67	0.53
2006	0.30	0.66	0.54
2005	0.50	0.67	0.52
2004	0.66	0.67	0.49
2003	0.53	0.67	0.47
2002	0.49	0.67	0.44
2001	0.54	0.67	0.42
2000	0.66	0.67	0.39
1999	0.49	0.67	0.38
1998	0.35	0.67	0.36
1997	0.13	0.67	0.31
1996	0.26	0.67	0.29
1995	0.46	0.67	0.27
1994	0.51	0.67	0.27

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(21-22)

≥50%

87%

View Data

Graduation Rate Comparison Over Years (2011-2022)
Year	Sierra High (Continuation School)	California	Mammoth Unified School District
2022	50%	87%	95%
2021	50%	84%	95%
2020	50%	85%	95%
2019	50%	84%	95%
2017	50%	83%	95%
2016	50%	83%	92%
2015	82%	89%	82%
2014	87%	88%	87%
2013	82%	87%	82%
2012	77%	86%	77%
2011	72%	83%	72%

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Eligible for

33%

54%

View Data

Free Lunch Eligibility Comparison Over Years (1995-2025)
Year	Sierra High (Continuation School)	California	Mammoth Unified School District
2025	33%	54%
2024	100%	54%	44%
2023	67%	51%	48%
2022	25%	51%	42%
2021	100%	53%	37%
2019	30%	52%	37%
2018	72%	49%	39%
2017	72%	49%	39%
2016	64%	50%	41%
2015	63%	50%	42%
2014	63%	49%	41%
2013	47%	48%	39%
2011	24%	46%	43%
2010	4%	46%	42%
2009	23%	43%	33%
2008	24%	41%	38%
2007	25%	40%	31%
2006	59%	40%	34%
2004	19%	40%	24%
2003	39%	39%	29%
2002	24%	39%	24%
2001	54%	39%	25%
2000	67%	40%	27%
1999	42%	40%	25%
1995	13%	45%	17%

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Eligible for (18-19)

30%

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2000-2019)
Year	Sierra High (Continuation School)	California	Mammoth Unified School District
2019	30%	7%	15%
2016	21%	9%	15%
2013	5%	7%	15%
2010	40%	9%	13%
2009	18%	10%	16%
2008	19%	10%	15%
2007	9%	10%	13%
2004	4%	9%	16%
2000	7%	7%	7%

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School Statewide Testing

View Education Department Test Scores

School District Name

Mammoth Unified School District

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

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Frequently Asked Questions

What is the graduation rate of Sierra High (Continuation School)?

The graduation rate of Sierra High (Continuation School) is 50%, which is lower than the California state average of 87%.

How many students attend Sierra High (Continuation School)?

9 students attend Sierra High (Continuation School).

What is the racial composition of the student body?

100% of Sierra High (Continuation School) students are Hispanic.

What is the student-teacher ratio of Sierra High (Continuation School)?

Sierra High (Continuation School) has a student ration of 9:1, which is lower than the California state average of 21:1.

What grades does Sierra High (Continuation School) offer ?

Sierra High (Continuation School) offers enrollment in grades 10-12

What school district is Sierra High (Continuation School) part of?

Sierra High (Continuation School) is part of Mammoth Unified School District.

School Reviews

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Quick Facts (2026)

School Type: Alternative school
Grades: 10-12
Enrollment: 9 students
Student-Teacher Ratio: 9:1
: ≥50% (Top 1%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education

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