C A Henning School
Troy, IL
Grades PreK to 5 · 706 students
Public school
Triad High School
Troy, Illinois · Grades 9 to 12 · Triad CUSD 2
Public school
About Triad High School
Triad High School is a public school in Troy, Illinois, serving grades 9 through 12. Enrollment was 1,218 in the 2024-25 school year. With about 75.1 full-time-equivalent teachers, that works out to roughly 16.2 students per teacher. Triad CUSD 2 School District runs 6 schools listed here, including this one. See them all. The surrounding area is classified as a rural area close to an urban area, in Madison County. There are 8 other schools within 5 miles.
Open Houses & Tours
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Parent reviews
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School facts
| Address | 703 E US Highway 40, Troy, IL 62294 |
|---|---|
| Phone | (618) 667-5409 |
| School district | Triad CUSD 2 |
| Grades | 9 to 12 |
| Students (2024-25) | 1,218 |
| Teachers (full-time equivalent, 2024-25) | 75.1 |
| Students per teacher | 16.2 |
| Charter school | No |
| School type | Regular |
| Level | High |
| Locale (NCES) | Rural, fringe, Madison County |
Source: NCES Common Core of Data (CCD), 2024-25 public school directory and membership files (NCES school ID 173735003870). Details may have changed since the survey. Schools can update them by claiming this profile.
Nearby schools
C A Henning SchoolPublic · Grades PreK to 5Troy · 0.9 miSilver Creek ElementaryPublic · Grades PreK to 5Troy · 1.4 miCenter for Educ OppPublic · Grades 6 to 12Troy · 1.7 miTriad Middle SchoolPublic · Grades 6 to 8Saint Jacob, IL · 2 miMaryville Christian SchoolPrivate, Baptist · Grades K to 12Maryville, IL · 4.4 miFather McGivney Catholic H SPrivate, Roman Catholic · Grades 9 to 12Glen Carbon, IL · 4.5 miSt Jacob Elem SchoolPublic · Grades PreK to 5Saint Jacob, IL · 4.6 miAlbert Cassens ElementaryPublic · Grades 3 to 5Glen Carbon, IL · 5 mi
The 8 closest public, charter and private schools by straight-line distance, from NCES location data. Listings here are never paid.
Frequently asked questions
What grades does Triad High School serve?
Triad High School serves grades 9 through 12.
How many students attend Triad High School?
Triad High School reported 1,218 students in 2024-25, according to the NCES Common Core of Data.
What is the student-teacher ratio at Triad High School?
About 16.2 students per full-time-equivalent teacher, based on 1,218 students and 75.1 teachers in federal data.
Is Triad High School a public or charter school?
Triad High School is a traditional public (non-charter) school.
What school district is Triad High School in?
Triad High School is part of Triad CUSD 2 School District. See all schools in this district at https://parentschoolreview.com/districts/il/triad-cusd-2-school-district/
Where is Triad High School located?
Triad High School is at 703 E US Highway 40, Troy, IL 62294. The phone number is (618) 667-5409.
How many other schools are near Triad High School?
There are 8 other schools within 5 miles of Triad High School in our directory.
Is this your school?
Claim this profile for free to correct details, post open houses and tours, and respond to reviews.
ParentSchoolReview is owned and operated by School Success. Disclosure.
Other public and charter schools in Troy
Center for Educ Opp
Troy, IL
Grades 6 to 12
Public schoolAlternative
Silver Creek Elementary
Troy, IL
Grades PreK to 5 · 757 students
Public school
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