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Twin Hills Charter Middle School in Sebastopol, CA
(06-08 • Public • Regular School)

City-data.com school rating (using weighted test average as compared to other schools in California) from 0 (worst) to 100 (best) is 77
Address
 1685 Water Trough Rd.
Sebastopol, CA 95472
Telephone
(707) 823-7446
(make sure to verify first before calling)
City-data.com school rating
77
Students
320
Classroom Teachers (FTE)
14.8
National School Lunch
Program (NSLP) Status
No
Free lunch eligible students
39
Reduced-price lunch
eligible students
15
School district
Twin Hills Union Elementary
Charter school
Yes
Title I status
Not a Title I school
Magnet School Indicator
No
Shared Time Indicator
Missing
Adult education offered
No

Ratings

This school rating compared to other nearby schools ratings:
Sunridge Charter (1.2 miles):

84
Sebastopol Independent Charter (1.7 miles):

84
Orchard View (1.1 miles):

77
Twin Hills Charter Middle School:

77
Park Side Elementary (1.5 miles):

59
Apple Blossom (1.1 miles):

58
REACH (1.2 miles):

47
Brook Haven Elementary (1.5 miles):

35
Laguna High (2.0 miles):

30
Twin Hills Charter Middle School rating compared to average state, county and city schools ratings:
California:

46
Sonoma County:

50
Sebastopol:

68
Twin Hills Charter Middle School:

77

Students & Teachers


Total enrollment:
Enrollment in 2016: 320
Enrollment in 2015: 346
Enrollment in 2014: 310
Enrollment in 2013: 303
Enrollment in 2012: 311
Enrollment in 2011: 290
Enrollment in 2010: 239
Enrollment in 2009: 219
Enrollment in 2008: 220
Enrollment in 2007: 239
Enrollment in 2006: 253
Enrollment in 2005: 275
Enrollment in 2004: 281
Enrollment in 2003: 303
Enrollment in 2002: 306
Enrollment in 2001: 328
Enrollment in 2000: 363
Enrollment in 1999: 341

Twin Hills Charter Middle School - Historical enrollment


Enrollment by grade, gender and race:
(Note: Details may not add to totals. School year: 2015-2016)
GradeG06G07G08Total
All students98118104320
Female students426058160
Male students565846160
Asian students1 - 45
Hispanic students21202263
Black students - 123
White students648771222
Two or More Races students1210527

Enrollment by grade:
6th grade enrollment: 98
7th grade enrollment: 118
8th grade enrollment: 104

Twin Hills Charter Middle School - Historical enrollment by grade


Enrollment by gender:
(State average from 12,430 schools)
Female enrollment: 160 (50.0%)
Here:

50.0%
State:

49.4%
Male enrollment: 160 (50.0%)
Here:

50.0%
California:

49.6%

Twin Hills Charter Middle School - Historical enrollment by gender


Enrollment by race/ethnicity:
(State average from 12,430 schools)
Asian enrollment: 5 (1.6%)
School:

1.6%
State:

9.4%
Hispanic enrollment: 63 (19.7%)
Twin Hills Charter Middle School:

19.7%
State:

46.0%
Black enrollment: 3 (0.9%)
School:

0.9%
State:

6.1%
White enrollment: 222 (69.4%)
School:

69.4%
State:

28.3%
Two or More Races enrollment: 27 (8.4%)
School:

8.4%
California:

4.5%

Twin Hills Charter Middle School - Historical enrollment by race/ethnicity


Lunch Program Eligibility:
(State average from 10,111 schools)
Free/reduced-price lunch eligible students: 54 (16.9%)
School:

16.9%
State:

61.2%
Free lunch eligible students: 39 (12.2%)
School:

12.2%
State:

52.8%
Reduced-price lunch eligible students: 15 (4.7%)
Here:

4.7%
State:

8.6%

Twin Hills Charter Middle School - Lunch Program Eligibility


Teachers and support:
(State average from 12,394 schools)
Classroom Teachers (FTE): 14.8

Number of FTE school counselors: 0.6
Number of FTE teachers who were absent more than 10 school days during the school years: 1

Student/Teacher Ratio
Here:

21.5
California:

22.8

Twin Hills Charter Middle School - Teachers (FTE) and pupil/teacher ratio


School Expenditures:
Salary Expenditures for Total Personnel Funded with State and Local Funds: $1,204,582
  • Full-time Equivalency Count of Teachers: 12.4 (Salary Expenditures: $917,809)
  • Full-time Equivalency Count of Instructional Aides: 3.1 (Salary Expenditures: $80,094)
  • Full-time Equivalency Count of Support Services Staff: 0.6 (Salary Expenditures: $31,724)
  • Full-time Equivalency Count of School Administration Staff: 2.7 (Salary Expenditures: $162,948)
Salary Expenditures for Non-Personnel Funded with State and Local Funds: $159,264

Students with disabilities:
Show data for
Students with Disabilities (IDEA): Students with intellectual disabilities; hearing impairment, including deafness; speech or language impairment; visual impairment, including blindness; serious emotional disturbance; orthopedic impairment; autism; traumatic brain injury; developmental delay; other health impairment; specific learning disability; deaf-blindness; or multiple disabilities and who, by reason thereof, receive special education and related services under the Individuals with Disabilities Education Act (IDEA) according to an Individualized Education Program, Individual Family Service Plan, or service plan. The "Students with Disabilities (IDEA)" column in the survey items always refers to students with disabilities who receive special education and related services under IDEA.

Students with Disabilities (Section 504 only): Students with a disability, who receive related aids and services solely under Section 504 of the Rehabilitation Act of 1973, as amended, and not under the Individuals with Disabilities Education Act (IDEA). The "Section 504 only" column in the survey items always refers to students with disabilities who receive related aids and services under Section 504 of the Rehabilitation Act of 1973, as amended, and not under IDEA.
Students with disabilities served under IDEA: 34 (male: 23, female: 11)
  • Hispanic: 11 (male: 4, female: 7)
  • White: 23 (male: 19, female: 4)
  • Limited English Proficiency (LEP): 4 (all male)
Students with disabilities served under Section 504: 9 (male: 7, female: 2)
  • Asian: 2 (all male)
  • White: 7 (male: 5, female: 2)

Statewide Student Assessments


Smarter Balanced Summative Assessments:
Show data for

(State average from 10,463 schools)
Smarter Balanced Summative Assessments (SB) is one of the online summative assessments - part of California Assessment of Student Performance and Progress (CAASPP) System.

The summative assessments are comprehensive, end-of-year assessments of grade-level learning that measure progress toward college and career readiness. Each test in English language arts/literacy (ELA) and mathematics is comprised of two parts: (1) a computer-adaptive test and (2) a performance task, administered within a selected testing window available at 66 percent of the instructional year for grades three through eight, and grade eleven.

The summative assessments are aligned with the Common Core State Standards (CCSS) for ELA and mathematics. The tests capitalize on the strengths of computer adaptive testing efficient and precise measurement across the full range of achievement and timely turnaround of results.

    ELA Standard Met and Above

  • All66%
  • Males59%
  • Females72%
  • Hispanic46%
  • White57%
ELA students tested: 305
ELA students with scores: 305

Percentage Standard Met and Above:

66%
California:

49%

Standard Not Met: 11.5%
Standard Nearly Met: 22.9%
Standard Met: 45.9%
Standard Exceeded: 19.7%

All Grades:
11.5%
22.9%
45.9%
19.7%
6th Grade: (Mean Scale Score: 2571.4, Students tested: 89, Standard Not Met: 5.6%, Nearly Met: 19.1%, Met: 49.4%, Exceeded: 25.8%)
5.6%
19.1%
49.4%
25.8%
7th Grade: (Mean Scale Score: 2559.1, Students tested: 100, Standard Not Met: 16.0%, Nearly Met: 30.0%, Met: 39.0%, Exceeded: 15.0%)
16.0%
30.0%
39.0%
15.0%
8th Grade: (Mean Scale Score: 2601.2, Students tested: 116, Standard Not Met: 12.1%, Nearly Met: 19.8%, Met: 49.1%, Exceeded: 19.0%)
12.1%
19.8%
49.1%
19.0%

Twin Hills Charter Middle School - ELA Area Achievement Levels (all grades)

    Math Standard Met and Above

  • All52%
  • Males54%
  • Females51%
  • Hispanic25%
  • White26%
Math students tested: 305
Math students with scores: 304

Percentage Standard Met and Above:

52%
California:

38%

Standard Not Met: 19.7%
Standard Nearly Met: 28.0%
Standard Met: 31.6%
Standard Exceeded: 20.7%

All Grades:
19.7%
28.0%
31.6%
20.7%
6th Grade: (Mean Scale Score: 2542.1, Students tested: 89, Standard Not Met: 20.4%, Nearly Met: 21.6%, Met: 35.2%, Exceeded: 22.7%)
20.4%
21.6%
35.2%
22.7%
7th Grade: (Mean Scale Score: 2558.5, Students tested: 100, Standard Not Met: 14.0%, Nearly Met: 36.0%, Met: 35.0%, Exceeded: 15.0%)
14.0%
36.0%
35.0%
15.0%
8th Grade: (Mean Scale Score: 2582.7, Students tested: 116, Standard Not Met: 24.1%, Nearly Met: 25.9%, Met: 25.9%, Exceeded: 24.1%)
24.1%
25.9%
25.9%
24.1%

Twin Hills Charter Middle School - Math Area Achievement Levels (all grades)


Paper-based CAASPP:
Show data for

(State average from 9,784 schools)
California Assessment of Student Performance and Progress (CAASPP) System includes paper-based tests:

California Standards Tests (CSTs) - The CSTs for science in grades five, eight, and ten are administered only to students in California public schools. All questions are multiple-choice. These tests were developed specifically to assess students' knowledge of the California content standards in science.

CST Science students tested: 102
CST Science students with scores: 99

Percentage At Or Above Proficient:

86%
State:

54%

Percentage Far Below Basic: 1.0% Students demonstrate little or a flawed understanding of the knowledge and skills measured by this assessment.
Percentage Below Basic: 6.0% Students demonstrate little or a flawed understanding of the knowledge and skills measured by this assessment.
Percentage Basic: 7.0% Students demonstrate a partial and rudimentary understanding of the knowledge and skills measured by this assessment.
Percentage Proficient: 20.0% Students demonstrate a competent and adequate understanding of the knowledge and skills measured by this assessment.
Percentage Advanced: 66.0% Students demonstrate a comprehensive and complex understanding of the knowledge and skills measured by this assessment.

8th Grade: (Mean Scale Score: 440.1, Students tested: 102, Far Below Basic: 1.0%, Below Basic: 6.0%, Basic: 7.0%, Proficient: 20.0%, Advanced: 66.0%)
1.0%
6.0%
7.0%
20.0%
66.0%

The Physical Fitness Test:
Show data for
The Physical Fitness Test (PFT) for students in California schools is the FITNESSGRAM. The main goal of the test is to help students in starting life-long habits of regular physical activity.
Aerobic Capacity:
7th grade: (Students tested: 100, Needs Improvement - High Risk: 86.0%, Needs Improvement: 10.0%, Healthy Fitness Zone: 4.0%)
86.0%
10.0%
4.0%
Body Composition:
7th grade: (Students tested: 100, Needs Improvement - High Risk: 62.0%, Needs Improvement: 21.0%, Healthy Fitness Zone: 17.0%)
62.0%
21.0%
17.0%
Abdominal Strength:
7th grade: (Students tested: 100, Needs Improvement - High Risk: 93.0%, Needs Improvement: 7.0%, Healthy Fitness Zone: 0.0%)
93.0%
7.0%
Trunk Extension Strength:
7th grade: (Students tested: 100, Needs Improvement - High Risk: 100.0%, Needs Improvement: 0.0%, Healthy Fitness Zone: 0.0%)
100.0%
Upper Body Strength:
7th grade: (Students tested: 100, Needs Improvement - High Risk: 75.0%, Needs Improvement: 25.0%, Healthy Fitness Zone: 0.0%)
75.0%
25.0%
Flexibility:
7th grade: (Students tested: 100, Needs Improvement - High Risk: 47.0%, Needs Improvement: 53.0%, Healthy Fitness Zone: 0.0%)
47.0%
53.0%

California English Language Development Test:
Show data for

(State average from 9,882 schools)
Students in kindergarten through grade twelve whose home language is not English are required by law to take an English skills test. In California, the test is called the California English Language Development Test (CELDT).

Twin Hills Charter Middle School - students who met CELDT criterion (all grades)

All Grades:
Student Count: 10
Number of students who met CELDT criterion: 6

Students who met CELDT criterion:

60.0%
State:

34.0%
Grade 6:
Student Count: 8
Number of students who met CELDT criterion: 4

Students who met CELDT criterion:

50.0%
California:

41.0%
Listening Mean Scale Score:

546.8
California:

536.1
Reading Mean Scale Score:

524.4
State:

523.5
Speaking Mean Scale Score:

549.4
California:

520.8
Writing Mean Scale Score:

567.0
California:

524.6

Accountability


Adequate Yearly Progress:
Show data for

(State average from 9,846 schools)
Adequate Yearly Progress (AYP) - Accountability system mandated by federal No Child Left Behind Act of 2001. Statistics are based on test results of the Standardized Testing and Reporting (STAR) Program, the California High School Exit Examination (CAHSEE), and the California Alternate Performance Assessment (CAPA).

Twin Hills Charter Middle School - Adequate Yearly Progress status


ELA Participation Rate
Twin Hills Charter Middle School:

99.0%
California:

96.3%

    ELA Participation Rate

  • Hispanic100
  • Asian100
  • Black100
  • White99
  • Multirace96
  • SED97
  • LEP100
  • With Disabilities100
  • Hispanic: 100% (tested 63 out of 63 enrolled)
  • Asian: 100% (tested 5 out of 5 enrolled)
  • Black: 100% (tested 3 out of 3 enrolled)
  • White: 99% (tested 215 out of 218 enrolled)
  • Two or More Races: 96% (tested 23 out of 24 enrolled)
  • Socioeconomic Disadvantaged: 97% (tested 62 out of 64 enrolled)
  • English Learners: 100% (tested 32 out of 32 enrolled)
  • Students with Disabilities: 100% (tested 37 out of 37 enrolled)

Math Participation Rate
Twin Hills Charter Middle School:

99.0%
State:

96.1%

    Math Participation Rate

  • Hispanic100
  • Asian100
  • Black100
  • White99
  • Multirace96
  • SED97
  • LEP100
  • With Disabilities100
  • Hispanic: 100% (tested 63 out of 63 enrolled)
  • Asian: 100% (tested 5 out of 5 enrolled)
  • Black: 100% (tested 3 out of 3 enrolled)
  • White: 99% (tested 215 out of 218 enrolled)
  • Two or More Races: 96% (tested 23 out of 24 enrolled)
  • Socioeconomic Disadvantaged: 97% (tested 62 out of 64 enrolled)
  • English Learners: 100% (tested 32 out of 32 enrolled)
  • Students with Disabilities: 100% (tested 37 out of 37 enrolled)

Health & Safety


Harassment & Bullying:
Show data for

(State average from 2,337 schools)
An allegation is a claim or assertion that someone has done something wrong or illegal, typically made without proof.

Harassment or bullying on the basis of sex includes sexual harassment or bullying and gender-based harassment or bullying. Sexual harassment or bullying is unwelcome conduct of a sexual nature, such as unwelcome sexual advances, requests for sexual favors, and other verbal, nonverbal, or physical conduct of a sexual nature. Gender-based harassment or bullying is nonsexual intimidation or abusive behavior toward a student based on the student's actual or perceived sex, including harassment based on gender identity, gender expression, and nonconformity with gender stereotypes. Harassing conduct may take many forms, including verbal acts and name-calling, as well as non-verbal behavior, such as graphic and written statements, or conduct that is physically threatening, harmful or humiliating. The conduct can be carried out by school employees, other students, and non-employee third parties. Both male and female students can be victims of harassment or bullying on the basis of sex, and the harasser or bully and the victim can be of the same sex. Bullying on the basis of sex constitutes sexual harassment.

Harassment or bullying on the basis of race, color, or national origin refers to intimidation or abusive behavior toward a student based on actual or perceived race, color or national origin. Harassing conduct may take many forms, including verbal acts and name-calling, as well as non-verbal behavior, such as graphic and written statements, or conduct that is physically threatening, harmful or humiliating. The conduct can be carried out by school employees, other students, and non-employee third parties. Bullying on the basis of race, color, or national origin constitutes racial harassment.
Allegations of harassment or bullying on the basis of sex: 4
Allegations of harassment or bullying on the basis of sex per 1,000 students
School:

12.5
California:

7.8
Students reported as harassed or bullied on the basis of sex: 4 (male: 2, female: 2)
  • White: 4 (male: 2, female: 2)
Students disciplined for bullying or harassment on the basis of sex: 6 (all male)
  • Hispanic: 2
  • American Indian / Alaska Native: 2
  • White: 2

Allegations of harassment or bullying on the basis of race, color, or national origin: 2
Allegations of harassment or bullying on the basis of race, color, or national origin per 1,000 students
Twin Hills Charter Middle School:

6.3
State:

4.4
Students reported as harassed or bullied on the basis of race, color, or national origin: 4 (male: 2, female: 2)
  • Hispanic: 2 (all male)
  • White: 2 (all female)
Students disciplined for bullying or harassment on the basis of race, color, or national origin: 2 (all male)
  • White: 2


Chronic Student Absenteeismt:
Show data for

(State average from 8,737 schools)
A chronically absent student is a student who is absent 15 or more school days during the school year. A student is absent if he or she is not physically on school grounds and is not participating in instruction or instruction - related activities at an approved off-grounds location for at least half the school day. Each day that a student is absent for 50 percent or more of the school day should be counted. Any day that a student is absent for less than 50 percent of the school day should not be counted. The number of absences is based on the total number of school days absent. Chronically absent students include students who are absent for any reason(e.g., illness, suspension, the need to care for a family member), regardless of whether absences are excused or unexcused.

    Chronic Student Absenteeism

  • Hispanic4
  • White22
  • Multirace2
  • IDEA4
  • 5042
Chronic Student Absenteeism: 28 (male: 15, female: 13)
  • Hispanic: 4 (male: 2, female: 2)
  • White: 22 (male: 11, female: 11)
  • Two or More Races: 2 (all male)
  • Individuals With Disabilities Education Act (IDEA): 4 (male: 2, female: 2)
  • Section 504: 2 (all female)
Chronic Student Absenteeism per 1,000 students
Twin Hills Charter Middle School:

87.5
State:

172.7

Classes & Courses


Algebra I:
Show data for

(State average from 1,382 schools)
Algebra I is a (college-preparatory) course that includes the study of properties and operations of the real number system; evaluating rational algebraic expressions; solving and graphing first degree equations and inequalities; translating word problems into equations; operations with and factoring of polynomials; and solving simple quadratic equations. Algebra I is a foundation course leading to higher-level mathematics courses, including Geometry and Algebra II.

    8th grade student enrollment in Algebra I

  • Hispanic2
  • Asian4
  • Black2
  • White16
8th grade student enrollment in Algebra I: 24 (male: 6, female: 18)
  • Hispanic: 2 (all male)
  • Asian: 4 (male: 2, female: 2)
  • Black: 2 (all female)
  • White: 16 (male: 2, female: 14)
8th grade studenst who passed Algebra I: 17 (male: 4, female: 13)
  • White: 17 (male: 4, female: 13)
Percent of 8th grade students who passed
Here:

70.8%
State:

85.6%

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