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Public School Review - Established 2003

Sierra High (Continuation School)

461 Sierra Park Rd.
Mammoth Lakes, CA 93546
View full size Get directions
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:

Category
Attribute
Percent Eligible For Free Lunch
Largest percent of students eligible for free lunch (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
Student Attention
Lowest student-teacher ratio (Top 1%)

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

Distribution of Students By Grade Trends

GradeSierra High (Continuation School)
115
124
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Total Students
9 students

Total Students Trends Over Years (1995-2025)

YearSierra High (Continuation School)
20259
20242
20239
202212
20216
20208
201910
201811
201711
201614
201511
201416
201319
201217
201117
201025
200922
200821
200732
200617
200523
200427
200323
200217
200126
200015
199924
199814
199714
199613
199516
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Total Classroom Teachers
1 teacher

Total Classroom Teachers Trends Over Years (1993-2025)

YearSierra High (Continuation School)
20251
20241
20231
20221
20211
20191
20181
20171
20161
20151
20141
20131
20121
20102
20092
20082
20072
20062
20052
20041
20032
20022
20012
20002
19992
19982
19972
19961
19951
19942
19931
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Year Founded
1905
School Calendar
View School Calendar

School Rankings

The diversity score 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.
Definition of Terms
This School
State Level (CA)
Student-Teacher Ratio
9:1
21:1

Student-Teacher Ratio Comparison Over Years (1993-2025)

YearSierra High (Continuation School)CaliforniaMammoth Unified School District
20259:121:1
20242:122:118:1
20239:122:120:1
202212:122:120:1
20216:122:119:1
201910:123:121:1
201811:123:120:1
201711:123:120:1
201614:124:119:1
201511:124:119:1
201416:124:119:1
201319:124:119:1
201220:124:118:1
201013:122:118:1
200911:121:117:1
200811:118:116:1
200716:122:118:1
20069:122:118:1
200512:122:119:1
200427:122:120:1
200312:121:120:1
20029:121:121:1
200113:121:120:1
20008:122:121:1
199912:122:121:1
19987:122:121:1
19977:124:121:1
199613:125:123:1
199518:125:125:1
19949:125:123:1
19939:125:124:1
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American Indian
n/a
1%

American Indian Student Percentage Comparison Over Years (1995-2011)

YearSierra High (Continuation School)CaliforniaMammoth Unified School District
20116%1%2%
20046%2%
20034%2%
19956%1%
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Asian
n/a
12%

Asian Student Percentage Comparison Over Years (1998-1999)

YearSierra High (Continuation School)CaliforniaMammoth Unified School District
19994%11%1%
19987%11%1%
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Hispanic
100%
56%

Hispanic Student Percentage Comparison Over Years (1994-2024)

YearSierra High (Continuation School)CaliforniaMammoth Unified School District
202450%56%60%
202367%55%58%
202283%56%59%
202183%56%60%
202075%55%58%
201980%55%58%
201891%54%58%
201791%54%58%
201672%54%58%
201573%54%46%
201456%53%58%
201337%53%55%
201253%52%55%
201159%51%54%
201056%50%53%
200955%49%50%
200857%50%49%
200765%49%48%
200692%48%45%
200552%47%39%
200421%46%33%
200339%45%32%
200231%44%30%
200150%43%27%
200040%42%26%
199925%41%24%
199814%40%22%
19977%40%19%
199615%39%17%
199525%38%15%
199429%37%15%
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Black
n/a
5%

Black Student Percentage Comparison Over Years (1994-2001)

YearSierra High (Continuation School)CaliforniaMammoth Unified School District
20014%8%
200033%9%
19994%9%
19947%9%
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White
n/a
20%

White Student Percentage Comparison Over Years (1994-2024)

YearSierra High (Continuation School)CaliforniaMammoth Unified School District
202450%20%37%
202333%21%38%
202217%21%37%
202117%22%36%
202025%23%38%
201920%23%38%
20189%24%39%
20179%24%39%
201628%24%39%
201527%24%31%
201438%25%38%
201044%27%43%
200945%28%45%
200843%29%49%
200735%29%50%
200657%31%54%
200548%31%57%
200432%32%63%
200357%34%66%
200267%35%69%
200146%36%72%
200027%37%74%
199967%38%75%
199879%39%77%
199793%39%81%
199685%40%83%
199569%41%84%
199464%42%84%
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Hawaiian
n/a
n/a
Two or more races
n/a
6%

Two or More Races Student Percentage Comparison Over Years (2011-2014)

YearSierra High (Continuation School)CaliforniaMammoth Unified School District
20146%3%2%
201363%3%43%
201247%3%43%
201129%2%43%
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All Ethnic Groups
0.00
0.63

Diversity Score Comparison Over Years (1994-2024)

YearSierra High (Continuation School)CaliforniaMammoth Unified School District
20240.510.630.52
20230.450.640.53
20220.290.630.52
20210.290.620.51
20200.380.630.52
20190.320.630.52
20180.170.640.51
20170.170.640.51
20160.410.640.51
20150.400.640.48
20140.540.650.52
20130.470.650.52
20120.500.650.52
20110.570.670.52
20100.500.670.54
20090.500.710.55
20080.500.650.52
20070.490.670.53
20060.300.660.54
20050.500.670.52
20040.660.670.49
20030.530.670.47
20020.490.670.44
20010.540.670.42
20000.660.670.39
19990.490.670.38
19980.350.670.36
19970.130.670.31
19960.260.670.29
19950.460.670.27
19940.510.670.27
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(21-22)
≥50%
87%

Graduation Rate Comparison Over Years (2011-2022)

YearSierra High (Continuation School)CaliforniaMammoth Unified School District
202250%87%95%
202150%84%95%
202050%85%95%
201950%84%95%
201750%83%95%
201650%83%92%
201582%89%82%
201487%88%87%
201382%87%82%
201277%86%77%
201172%83%72%
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Eligible for Free Lunch
33%
54%

Free Lunch Eligibility Comparison Over Years (1995-2025)

YearSierra High (Continuation School)CaliforniaMammoth Unified School District
202533%54%
2024100%54%44%
202367%51%48%
202225%51%42%
2021100%53%37%
201930%52%37%
201872%49%39%
201772%49%39%
201664%50%41%
201563%50%42%
201463%49%41%
201347%48%39%
201124%46%43%
20104%46%42%
200923%43%33%
200824%41%38%
200725%40%31%
200659%40%34%
200419%40%24%
200339%39%29%
200224%39%24%
200154%39%25%
200067%40%27%
199942%40%25%
199513%45%17%
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Eligible for Reduced Lunch (18-19)
30%
7%

Reduced-Price Lunch Eligibility Comparison Over Years (2000-2019)

YearSierra High (Continuation School)CaliforniaMammoth Unified School District
201930%7%15%
201621%9%15%
20135%7%15%
201040%9%13%
200918%10%16%
200819%10%15%
20079%10%13%
20044%9%16%
20007%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

Review Sierra High (Continuation School). Reviews should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
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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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