WHS contains students in grades 7-12. Presently there are 176 students in the Junior High and 388 in the Senior High. A large Eastern European population comprised mainly of families of Polish heritage heavily influences the school.

Mission Statement:
The mission of Wallington Jr/Sr High School is to utilize the assets of a supportive, safe, and harmonious small school setting in order to foster academic excellence and provide for the social, emotional, intellectual, and physical development of its students. Significantly, the staff is aware of and responsive to the varied developmental needs of students at the junior and senior high school levels. Drawing strength from a tradition of strong community ties and shared values, the school further seeks to guide students into becoming key contributors to the broader community.

Education is the key element to a successful future.
Community involvement and support enhance the success of a school.
Students deserve a safe and healthy learning environment.
Student learning is the highest priority in the school.
Schools must cultivate a culture of respect for oneself and others.
A well-rounded educational program enhances overall student development.
Everyone can learn.
Every individual has intrinsic worth.
Self-motivation is an important attribute.
Adult behavior influences student confidence and performance.
Students must be taught how to learn.
Positive self image and outlook empower individuals and promote constructive social interactions.
Social interaction enhances learning.
Students develop at different rates and through different means,
Proper planning, organizational skills, and industriousness are keys to achievement.
An awareness of options assists students in effective decision making.
It is important to understand and appreciate diversity.
Volunteerism promotes personal growth.
The school culture should emphasize continuous assessment and improvement.