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Schools›Connecticut›Guilford
SCHOOL COMMUNITY·GUILFORD SCHOOL DISTRICT·NCES 090180000332

Guilford High School

605 New England Rd., Guilford, CT 06437 · (203) 453-2741 · South Central Connecticut Planning Region
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,008 STUDENTS
·
allk12 Grade
Not graded

This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work

Enrollment
1,008
High
DISTRICT 436 · STATE 788
Student : Teacher
11.8:1
85 FTE teachers
DISTRICT 11.2:1 · STATE 12.3:1
Free / Reduced Lunch
15%
147 students
DISTRICT 14% · STATE 44%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 924925%
Grade 1026526%
Grade 1122122%
Grade 1227327%
Student demographics
35%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 36% · STATE 67% · US 70%
White
80179%
DISTRICT 79% · STATE 46% · US 43%
Hispanic
858%
DISTRICT 10% · STATE 32% · US 30%
Black
192%
DISTRICT 1% · STATE 12% · US 15%
Asian
414%
DISTRICT 4% · STATE 5% · US 6%
Two+
566%
DISTRICT 6% · STATE 5% · US 5%
Pacific Islander
20%
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
50450%
Female
50050%

School pathway

Feeds from
E. C. Adams Middle School07–08
Based on grade levels within Guilford School District. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Schools most like Guilford High School

SchoolStudentsLow-incomeProficient
Guilford High School this school1,00814.6%N/A
Pomperaug Regional High School
Southbury
97014.7%N/A
Newtown High School
Sandy Hook
1,25415.8%N/A
Joel Barlow High School
Redding
69810.9%N/A
Tolland High School
Tolland
63916.4%N/A
Fairfield Ludlowe High School
Fairfield
1,36712.5%N/A
Matched among Connecticut high 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 Guilford High School ranks

Among high schools
MeasureThis schoolIn ConnecticutIn South Central Connecticut Planning Region
Enrollment
ranked largest first
1,008#56 of 201#8 of 29
Students per teacher
ranked fewest first
11.8:1#115 of 188#19 of 28
Diversity index
ranked most diverse first
35.1%#156 of 188#26 of 28
Free and reduced lunch
ranked highest share first
14.6%#181 of 196#27 of 28
Enrollment change since 2017-18
ranked steepest decline first
-10.9%#68 of 120#8 of 15
Ranked against other public high 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
1,008
-94 (-9%) vs 2020
+1% since 1990-91, when it was 995
Student : Teacher
11.8:1
was 13.4:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,00885.111.8:115% (147)
2023-241,02685.112.1:114% (142)
2022-231,04887.412.0:111% (111)
2020-211,1028213.4:112% (134)
2017-181,13184.113.4:18% (88)
2015-161,0838013.5:19% (100)
2010-111,1138213.6:17% (75)
2000-011,1698314.1:1N/A
1990-919958112.3:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Guilford High School.

Since 2017-18: students down 11% (1,131 to 1,008); teachers up 1% (84.1 to 85.1).

About Guilford High School

Guilford High School is one of the public schools in Guilford, Connecticut. It is a mid-sized high school. Students in grades 9 through 12 make up the school's enrollment of 1,008 students. High schools in Connecticut have about 788 students on average; enrollment here is 28% higher.

Within Guilford School District, Guilford High School is one of 7 schools. The district enrolls 3,051 students.

Of every 100 students at Guilford High School, about 79 are White. After that, the student body is 8% Hispanic, 6% multiracial, and 4% Asian. Among all residents of South Central Connecticut Planning Region, the White share is about 62%. Measured by the diversity index, the student body scores 35%.

For every teacher at Guilford High School, there are about 11.8 students; the school has 85.1 full-time-equivalent teachers. That is in line with the 12.3:1 average for high schools in Connecticut. The eligibility rate for free or reduced-price meals is 15%. By comparison, the figure for public schools in South Central Connecticut Planning Region is 51%.

The school is in South Central Connecticut Planning Region, where median household income comes to about $88,197, roughly 42% of adults have a four-year degree or more, and the share of residents below the poverty line is 7%. South Central Connecticut Planning Region has 152 public schools with about 72,909 students, including Guilford High School.

Measured in a straight line, Guilford Lakes School is about 1.6 miles from Guilford High School. The five-mile area around Guilford High School holds at least 8 other public schools.

The federal government classifies Guilford High School's location as Suburb: Large.

The school shrank from 1,102 students in 2020-21 to 1,008 in 2024-25. The student-to-teacher ratio dropped from 13.4:1 in 2020-21 to 11.8:1 in 2024-25.

The allk12 page for Guilford High School lets the school community talk about athletics, class schedules, and weather closures. You can also rate the school on this page.

South Central Connecticut Planning Region at a glance

View full county profile
Population
570,598
Census ACS
Median income
$88,197
Household, ACS
Bachelor's+
42%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
152
72,909 students

Quick facts

School name
Guilford High School
District
Guilford School District
Address
605 New England Rd., Guilford, CT 06437
Phone
(203) 453-2741
County
South Central Connecticut Planning Region
Level
High
Grade range
09–12
Total enrollment
1,008
Teachers (FTE)
85
Student–teacher ratio
11.8:1
Free and reduced lunch
147 (15%)
Locale
21-Suburb: Large
NCES ID
090180000332
Charter school
No
Virtual school
No

Related schools

Other schools in Guilford School District
Other schools in Guilford
Other Guilford High schools

One other US public school is named Guilford High. Guilford High School is the 2nd largest of the 2.

Nearby schools

Frequently asked questions

About Guilford High School
How large is Guilford High School?
Guilford High School enrolls approximately 1,008 students in grades 09-12.
What age range does Guilford High School serve?
Guilford High School serves students from grade 09 through grade 12.
How many teachers does Guilford High School have?
Guilford High School employs 85 FTE teachers, for a student-to-teacher ratio of 11.8:1.
What is the student diversity at Guilford High School?
Student demographics at Guilford High School are roughly 79% White, 8% Hispanic, 2% Black, 4% Asian, 6% Two or more.
Is Guilford High School public or private?
Guilford High School is a public K-12 school, overseen by Guilford School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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