Serving 870 students in grades 9-12, Mckean (Thomas) High School ranks in the bottom 50% of all schools in Delaware for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤5% (which is lower than the Delaware state average of 29%). The percentage of students achieving proficiency in reading/language arts is 15-19% (which is lower than the Delaware state average of 42%).
The student:teacher ratio of 13:1 is lower than the Delaware state level of 14:1.
Minority enrollment is 74% of the student body (majority Hispanic), which is higher than the Delaware state average of 61% (majority Black and Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 870 students
- Student:Teacher Ratio: 13:1
- Minority Enrollment: 74%
- Graduation Rate: 85% (Btm 50% in DE)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 15-19% (Btm 50%)
- Science Proficiency: 10-14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), DE Dept. of Education
School Overview
Mckean (Thomas) High School's student population of 870 students has stayed relatively flat over five school years.
The teacher population of 66 teachers has grown by 13% over five school years.
Grades Offered
Grades 9-12
Total Students
870 students
Gender %
Total Classroom Teachers
66 teachers
Students by Grade
School Rankings
Mckean (Thomas) High School ranks within the bottom 50% of all 201 schools in Delaware (based off of combined math and reading proficiency testing data).
The diversity score of Mckean (Thomas) High School is 0.69, which is less than the diversity score at state average of 0.71. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#193 out of 201 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
29%
Reading/Language Arts Test Scores (% Proficient)
15-19%
42%
Science Test Scores (% Proficient)
10-14%
21%
Student : Teacher Ratio
13:1
14:1
American Indian
1%
n/a
Asian
1%
4%
Hispanic
43%
20%
Black
26%
31%
White
26%
39%
Hawaiian
n/a
n/a
Two or more races
3%
6%
All Ethnic Groups
Graduation Rate
85%
88%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
44%
33%
Eligible for Reduced Lunch (12-13)
5%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), DE Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Mckean (Thomas) High School's ranking?
Mckean (Thomas) High School is ranked #193 out of 201 schools, which ranks it among the bottom 50% of public schools in Delaware.
What schools are Mckean (Thomas) High School often compared to?
Mckean (Thomas) High Schoolis often viewed alongside schools like Charter School Of Wilmington, Dickinson (John) School, Dupont (Alexis I.) High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
≤5% of students have achieved math proficiency (compared to the 29% DE state average), while 15-19% of students have achieved reading proficiency (compared to the 42% DE state average).
What is the graduation rate of Mckean (Thomas) High School?
The graduation rate of Mckean (Thomas) High School is 85%, which is lower than the Delaware state average of 88%.
How many students attend Mckean (Thomas) High School?
870 students attend Mckean (Thomas) High School.
What is the racial composition of the student body?
43% of Mckean (Thomas) High School students are Hispanic, 26% of students are Black, 26% of students are White, 3% of students are Two or more races, 1% of students are American Indian, and 1% of students are Asian.
What is the student:teacher ratio of Mckean (Thomas) High School?
Mckean (Thomas) High School has a student ration of 13:1, which is lower than the Delaware state average of 14:1.
What grades does Mckean (Thomas) High School offer ?
Mckean (Thomas) High School offers enrollment in grades 9-12
What school district is Mckean (Thomas) High School part of?
Mckean (Thomas) High School is part of Red Clay Consolidated School District.
School Calendar
View the Mckean (Thomas) High School yearly calendar below. Note key dates such as:
Event
Date
School Closed - Observance of Memorial Day
May 26, 2025 (Monday)
School Closed - Observance of Juneteenth
June 19, 2025 (Thursday)
School Closed - Observance of Labor Day
September 01, 2025 (Monday)
School Closed - Observance of Martin Luther King Jr. Day
January 19, 2026 (Monday)
School Closed - Observance of President's Day
February 16, 2026 (Monday)
School Reviews
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