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SCHOOL COMMUNITY·GRASS VALLEY ELEMENTARY·NCES 061578001997

Lyman Gilmore Middle

10837 Rough and Ready Hwy., Grass Valley, CA 95945 · (530) 273-8479 · Nevada County
GRADES 05–08MIDDLE32-TOWNTITLE IREGULAR SCHOOL464 STUDENTS
C
allk12 Grade
Scored higher than 29% of California public middle schools
  • C+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • CThree-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
464
Middle
DISTRICT 403 · STATE 659
Student : Teacher
19.2:1
24 FTE teachers
DISTRICT 21.2:1 · STATE 20.7:1
Free / Reduced Lunch
73%
340 students
DISTRICT 60% · 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 511525%
Grade 611926%
Grade 711926%
Grade 811124%
Student demographics
50%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 46% · STATE 62% · US 70%
White
30967%
DISTRICT 70% · STATE 20% · US 43%
Hispanic
11124%
DISTRICT 21% · STATE 56% · US 30%
Black
41%
DISTRICT 1% · STATE 5% · US 15%
Asian
112%
DISTRICT 2% · STATE 12% · US 6%
Two+
184%
DISTRICT 4% · STATE 6% · US 5%
Native American
102%
DISTRICT 2% · STATE 0% · US 1%
Pacific Islander
10%
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
23350%
Female
23150%

School pathway

Feeds from
Bell Hill AcademyKG–04Margaret G. Scotten ElementaryKG–04
Based on grade levels within Grass Valley Elementary. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
36.9%
CA avg 49.1% . -0.1pp since 2014
Math
23.9%
CA avg 37.7% . -4.1pp since 2014

What this means: On the CAASPP, California's statewide test, about 37 of every 100 students at this school read and write at grade level and about 24 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores have held steady since 2014, while math scores are down about 4 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts11.8%25.1%27.9%35.2%
Math9.1%14.9%30.9%45.1%
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
2024-2536.9%23.9%
2023-2436.3%22.4%
2022-2340.3%25.8%
2021-2237.6%24.9%
2020-2135.5%15.6%
2018-1940.7%31.5%
2017-1841.7%34.4%
2016-1737.7%35.2%
2015-1642.0%31.0%
2014-1537.0%28.0%
% 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
29.9%
composite math + reading, all grades
Predicted
36.6%
based on CA schools with similar FRL share
Beats by
-6.7pp
below demographic expectation

What this means: About 30% of students here test proficient in math and reading, compared with the roughly 37% 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 Lyman Gilmore Middle

Lyman Gilmore Middle's state test result (29.9% proficient) is higher than 2 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Lyman Gilmore Middle this school46473.3%29.9%
Sequoia Middle
Redding
46174.8%34.5%
Jackson Street Elementary
Yreka
43872.6%23.8%
Los Coches Creek Middle
El Cajon
51871.8%36.4%
Anderson Middle
Anderson
34173.6%26.0%
Edwin Markham Middle
Placerville
43163.3%36.5%
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 Lyman Gilmore Middle ranks

Among middle schools
MeasureThis schoolIn CaliforniaIn Nevada County
State test proficiency
ranked highest first
29.9%#741 of 1,224#6 of 6
Math proficiency
ranked highest first
23.9%#746 of 1,227
▼ 11
#6 of 6
no change
Reading proficiency
ranked highest first
36.9%#800 of 1,227
▼ 52
#6 of 6
no change
3-year test score change
ranked biggest drop first
-0.8pp#299 of 1,214#3 of 6
Enrollment
ranked largest first
464#981 of 1,377#2 of 6
Students per teacher
ranked fewest first
19.2:1#348 of 1,279N/A
Diversity index
ranked most diverse first
49.7%#664 of 1,278N/A
Free and reduced lunch
ranked highest share first
73.3%#680 of 1,329#1 of 6
Enrollment change since 2017-18
ranked steepest decline first
-8.3%#711 of 930N/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
464
-75 (-14%) vs 2020
-38% since 1990-91, when it was 750
Student : Teacher
19.2:1
was 19.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2546424.119.2:173% (340)
2023-2445324.818.2:178% (352)
2022-2346127.716.6:171% (326)
2020-215392819.3:173% (394)
2017-185062718.7:171% (361)
2015-165273117.0:165% (345)
2010-11501N/AN/A50% (253)
2000-016693320.3:135% (235)
1990-917503521.4:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Lyman Gilmore Middle.

Since 2017-18: students down 8% (506 to 464); teachers down 11% (27 to 24.1).

About Lyman Gilmore Middle

Lyman Gilmore Middle is a low-enrollment middle school in Grass Valley, California. Grades offered run from 5 through 8, with 464 students enrolled. The average among middle schools in California is roughly 659 students; this school is 30% smaller than that.

Grass Valley Elementary has 4 schools and 1,613 students, and Lyman Gilmore Middle is one of those schools.

At Lyman Gilmore Middle, White students make up 67% of the student body. The next largest groups are 24% Hispanic, 4% multiracial, 2% Asian, and 2% Native American. The school's White share is 17 points below the 84% share among Nevada County residents. Pick two students at random and there is a 50% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.

Federal records show a student-to-teacher ratio of 19.2:1 at Lyman Gilmore Middle, with 24.1 full-time-equivalent teachers. On average, middle schools in California have 20.7:1, compared with 19.2:1 here. The count of students eligible for free or reduced-price lunch equals 73% of enrollment. By comparison, the figure for public schools in Nevada County is 43%.

Measured against California public middle schools, Lyman Gilmore Middle receives a C. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.

Based on its free or reduced-price lunch share, the BeatsExpectations model predicts an average proficiency rate on state tests of 36.6% for Lyman Gilmore Middle. The school posts 29.9%, 6.7 points below the prediction.

Nevada County has these Census figures: the median household income is $89,882, the share of adults with a bachelor's degree or higher is 42%, and about 7% of people live in poverty. In all, Nevada County has 46 public schools and roughly 13,561 students.

Nearest public school: Margaret G. Scotten Elementary, about 0.2 miles away. Within five miles are at least 8 other public schools. Lyman Gilmore Middle is 5th of 5 nearby schools by average proficiency rate.

The school's setting, by NCES definition, is Town: Distant: in a town some distance from an urbanized area.

Lyman Gilmore Middle's enrollment declined from 539 in 2020-21 to 464 in 2024-25.

Questions about school safety, transportation, and start times can be posted here. Reviews and ratings from people who know the school are welcome.

Nevada County at a glance

View full county profile
Population
102,481
Census ACS
Median income
$89,882
Household, ACS
Bachelor's+
42%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
46
13,561 students

Quick facts

School name
Lyman Gilmore Middle
District
Grass Valley Elementary
Address
10837 Rough and Ready Hwy., Grass Valley, CA 95945
Phone
(530) 273-8479
County
Nevada County
Level
Middle
Grade range
05–08
Total enrollment
464
Teachers (FTE)
24
Student–teacher ratio
19.2:1
Free and reduced lunch
340 (73%)
Locale
32-Town: Distant
NCES ID
061578001997
Charter school
No
Virtual school
No

Related schools

Other schools in Grass Valley Elementary
Other schools in Grass Valley
Nearby schools

Frequently asked questions

About Lyman Gilmore Middle
How many students attend Lyman Gilmore Middle?
Lyman Gilmore Middle enrolls approximately 464 students in grades 05-08.
Is Lyman Gilmore Middle an elementary, middle, or high school?
Lyman Gilmore Middle is a middle school covering grades 05-08.
What is the student-teacher ratio at Lyman Gilmore Middle?
The student-to-teacher ratio at Lyman Gilmore Middle is approximately 19.2:1 (24 FTE teachers).
What is the racial breakdown of students at Lyman Gilmore Middle?
At Lyman Gilmore Middle, the student body is approximately 67% White, 24% Hispanic, 1% Black, 2% Asian, 4% Two or more.
Is Lyman Gilmore Middle public or private?
Lyman Gilmore Middle is a public K-12 school, overseen by Grass Valley Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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