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SCHOOL COMMUNITY·WESTERN PLACER UNIFIED·NCES 064214011705

Twelve Bridges Middle

770 Westview Dr., Lincoln, CA 95648 · (916) 434-5270 · Placer County
GRADES 06–08MIDDLE21-SUBURBREGULAR SCHOOL931 STUDENTS
B+
allk12 Grade
Scored higher than 73% of California public middle schools
  • ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • A-Three-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public middle schools

Enrollment
931
Middle
DISTRICT 873 · STATE 659
Student : Teacher
24.2:1
38 FTE teachers
DISTRICT 23.1:1 · STATE 20.7:1
Free / Reduced Lunch
17%
156 students
DISTRICT 39% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 631634%
Grade 731033%
Grade 830533%
Student demographics
60%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 64% · STATE 62% · US 70%
White
54458%
DISTRICT 49% · STATE 20% · US 43%
Hispanic
19821%
DISTRICT 33% · STATE 56% · US 30%
Black
142%
DISTRICT 2% · STATE 5% · US 15%
Asian
687%
DISTRICT 6% · STATE 12% · US 6%
Two+
9911%
DISTRICT 9% · STATE 6% · US 5%
Native American
20%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
61%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
46850%
Female
46350%

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
71.7%
CA avg 49.1% . +8.7pp since 2014
Math
57.4%
CA avg 37.7% . +4.4pp since 2014

What this means: On the CAASPP, California's statewide test, about 72 of every 100 students at this school read and write at grade level and about 57 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are up about 9 points since 2014, while math scores are up about 4 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts32.1%39.6%17.4%10.9%
Math34.0%23.4%24.4%18.2%
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.

CAASPP results by year

School yearEnglish Language ArtsMath
2024-2571.7%57.4%
2023-2470.9%52.9%
2022-2367.9%51.3%
2021-2269.0%47.5%
2020-2169.2%44.8%
2018-1969.3%61.0%
2017-1867.8%59.6%
2016-1766.4%56.1%
2015-1668.0%53.0%
2014-1563.0%53.0%
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
63.4%
composite math + reading, all grades
Predicted
69.7%
based on CA schools with similar FRL share
Beats by
-6.4pp
below demographic expectation

What this means: About 63% of students here test proficient in math and reading, compared with the roughly 70% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Twelve Bridges Middle

Twelve Bridges Middle's state test result (63.4% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Twelve Bridges Middle this school93116.8%63.4%
Aviara Oaks Middle
Carlsbad
99121.9%68.3%
Twin Peaks Middle
Poway
1,16418.4%51.6%
Muirlands Middle
La Jolla
74220.6%73.7%
Ladera Ranch Middle
Ladera Ranch
1,06419.0%79.6%
Oak Crest Middle
Encinitas
75822.4%64.4%
Matched among California middle schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Twelve Bridges Middle ranks

Among middle schools
MeasureThis schoolIn CaliforniaIn Placer County
State test proficiency
ranked highest first
63.4%#188 of 1,224#6 of 17
Math proficiency
ranked highest first
57.4%#207 of 1,227
▲ 13
#7 of 17
no change
Reading proficiency
ranked highest first
71.7%#162 of 1,227
▼ 6
#4 of 17
no change
3-year test score change
ranked biggest gain first
+6.3pp#229 of 1,214#4 of 17
Enrollment
ranked largest first
931#274 of 1,377#6 of 17
Students per teacher
ranked fewest first
24.2:1#1,102 of 1,279#13 of 17
Diversity index
ranked most diverse first
59.6%#442 of 1,278#12 of 17
Free and reduced lunch
ranked highest share first
16.8%#1,251 of 1,329#15 of 17
Enrollment change since 2017-18
ranked fastest growth first
+22.3%#37 of 257N/A
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
931
+140 (+18%) vs 2020
+9% since 2010-11, when it was 852
Student : Teacher
24.2:1
was 24.0:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2593138.524.2:117% (156)
2023-2492437.924.4:117% (160)
2022-2388235.524.8:116% (144)
2020-217913324.0:120% (155)
2017-187613422.4:121% (160)
2015-167733422.7:118% (143)
2010-11852N/AN/A27% (226)
Source: NCES Common Core of Data. Rows are the federal collections on file for Twelve Bridges Middle.

Since 2017-18: students up 22% (761 to 931); teachers up 13% (34 to 38.5).

About Twelve Bridges Middle

Twelve Bridges Middle is a public middle school in Lincoln, California. The school enrolls 931 students in grades 6 through 8. That compares with an average of about 659 students for middle schools in California.

Western Placer Unified enrolls 8,030 students in 14 schools, including Twelve Bridges Middle.

White students are 58% of those enrolled at Twelve Bridges Middle. Next come 21% Hispanic, 11% multiracial, and 7% Asian. That compares with about 69% White among all Placer County residents. A diversity index of 60% means there is a 60% chance two randomly chosen students at Twelve Bridges Middle are from different groups.

There are 38.5 full-time-equivalent teachers at Twelve Bridges Middle, giving a ratio of 24.2:1. By comparison, the average for middle schools in California is 20.7:1. A total of 156 students, or 17%, are eligible for free or reduced-price lunch. The 33% average for public schools in Placer County is 16 points higher.

Twelve Bridges Middle holds a B+ allk12 Grade, placing it above 73% of California public middle schools.

On a poverty-adjusted basis, Twelve Bridges Middle falls in the middle 80% of California schools: 63.4% actual against 69.7% predicted.

In Placer County, where the school is located, median household income comes to about $115,998, about 43% of adults have at least a bachelor's degree, and roughly 5% of residents are in poverty. There are 123 public schools in the county, enrolling about 70,590, Twelve Bridges Middle among them.

Straight-line distance to the nearest public school, Twelve Bridges High, is about 0.4 miles. Other public schools within five miles: at least 8. Ranked by average proficiency, Twelve Bridges Middle places 4th out of 7 schools in its immediate area.

Locale data from NCES put Twelve Bridges Middle in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more (Suburb: Large).

In 2024-25, the school enrolled 931, up from 791 in 2020-21.

Twelve Bridges Middle has a community page on allk12 for topics such as athletics, class schedules, and weather closures. Teachers and staff are welcome to share updates too.

Placer County at a glance

View full county profile
Population
419,156
Census ACS
Median income
$115,998
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
123
70,590 students

Quick facts

School name
Twelve Bridges Middle
District
Western Placer Unified
Address
770 Westview Dr., Lincoln, CA 95648
Phone
(916) 434-5270
County
Placer County
Level
Middle
Grade range
06–08
Total enrollment
931
Teachers (FTE)
38
Student–teacher ratio
24.2:1
Free and reduced lunch
156 (17%)
Locale
21-Suburb: Large
NCES ID
064214011705
Charter school
No
Virtual school
No

Related schools

Other schools in Western Placer Unified
Other schools in Lincoln
Nearby schools

Frequently asked questions

About Twelve Bridges Middle
How many students attend Twelve Bridges Middle?
Twelve Bridges Middle enrolls approximately 931 students in grades 06-08.
What grades does Twelve Bridges Middle serve?
Twelve Bridges Middle serves grades 06-08.
What is the student-teacher ratio at Twelve Bridges Middle?
The student-to-teacher ratio at Twelve Bridges Middle is approximately 24.2:1 (38 FTE teachers).
How diverse is Twelve Bridges Middle?
Twelve Bridges Middle reports a student body of 58% White, 21% Hispanic, 2% Black, 7% Asian, 11% Two or more.
Is Twelve Bridges Middle public or private?
Twelve Bridges Middle is a public K-12 school, overseen by Western Placer Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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