The Red Cross Club is a school-based service group that helps the Red Cross fulfill its humanitarian mission.

Working closely with the local Lehigh Valley Red Cross Chapter, club members participate in Red Cross service projects that impact their community and the world.

​Open to all students with an interest in the visual arts. One does not need to be enrolled in Art in order to join.

Best Friends Forever fosters friendships between students at ACCHS and the Mercy School For Special Learning. This rewarding program pairs you with a "friend" with whom you meet regularly in order to forge a special relationship. Includes various activities such as movie night, cookie baking and craft projects.

The Central City Project (CCP) is Allentown Central Catholic High School's commitment to the city of Allentown. The CCP is an opportunity for students from communities outside the city to interact with the local neighborhood's people, institutions and events.

Chess Club is open to all students with an interest in this intellectual game. Informal practice take place after school to have fun and learn in a non-competitive environment. The Chess Team is a competitive group involved in inter-scholastic competitions throughout the Valley. 

Debate involves research, writing and public speaking. The team competes against other schools in the Eastern Pennsylvania Conference and has weekly meetings and team dinners.

The Ecology Club focuses on learning while cleaning up the environment. Duties include cleaning the Jordan Meadows. The club also interacts with the students of Sacred Heart Regional School in Allentown to help them gain an understanding of wildlife in the area.

 This club exposes students to nature to see how humans impact the natural world. It provides invaluable lessons for understanding our ecosystems and environment. Teams compete in field testing using their knowledge in five areas – Soil and Land Use, Aquatic Ecology, Forestry, Wildlife, and Environmental Issues.

Open to all students. This club acts as a great starter for students interested in becoming future healthcare professionals and those who also want to expand their skill set in debating, researching, leadership, group work, and competitive work. 

Internat is ACCHS's link to the beauty and wonder of foreign countries. Their annual trip to New York City is the highlight of this club. International Language Week is produced by Internat and give's Central Catholic students a taste of foreign cultures.

A Kiwanis sponsored service organization that reaches out into the community to help those who are less fortunate. Activities include doing arts and crafts with Sacred Heart Regional School students and delivering food to the elderly.

Open to all students who have an interest in the law, public speaking, debating and acting. Team members analyze and simulate a court case provided by the PA Bar Association, and compete against other high schools. With assistance of a coach and a lawyer, students act out the roles of attorneys and witnesses.

In Model UN, students step into the roles of "delegates," prepare draft resolutions, plot strategy, negotiate with supporters and adversaries, resolve conflicts, and navigate the UN's rules of procedure. The students compete at the mock United Nations conference held at Lehigh University in March.

This society is comprised of seniors who exhibit the qualities of leadership, scholarship, service and character. National Honor Society members participate in community projects and run a tutoring program every morning at 7:45am for all students.

Pep Club is an exciting group that prepares for homecoming and other events. It organizes the homecoming dance, homecoming pep rally and decorates the school and field to foster school spirit. In addition, Pep Club sponsors a variety of activities throughout the year. Go Vikings!

The Philosophy Club is a teacher-guided, student-led forum where primary sources in classical philosophy (Plato, Aristotle, Plotinus, Aquinas) are read and discussed. The group focuses on the intersection between faith and reason in the Roman Catholic tradition. The club meets every other week; open to every grade.

The Pennsylvania Junior Academy of Science competition has been a long tradition for ACCHS science students. Members prepare an independent project which they present at a regional symposium with the hopes of advancing to the state competition at PSU in May.

Allentown Central Catholic's brightest math students meet to test their abilities each month in these tests

and compete with schools across Pennsylvania, New York and New Jersey. PML meets once a month and

CML meets once every seven weeks.

The Pro-Life Club promotes the sanctity of life. Activities include providing awareness of the Pro-Life cause, fundraising for the Local Mary's Shelter, promoting positive mental health and suicide prevention, and working with individuals with disabilities. The highlight of the year is the March for Life in Washington, DC.

ACCHS has been the LVC Champion and qualified for the State Olympiad the last seven years! The team will participate in invitation competitions throughout the region. Activities in Biology, Chemistry, Physics, Earth Science and Environmental Science are featured.

Scholastic Scrimmage in an academic competition that covers all disciplines. ACCHS competes in the Lehigh Valley Conference, WLVT Channel 39, Intermediate Unit 20 Academic Competition and various other tournaments. All students who enjoy academic competition and trivia are welcome to try out for the team.

The student government of ACCHS is an organization whose primary objective lies in service to and leadership of students. Its functions are wide-ranging and essential to student activities at Allentown Central Catholic.

The group provides the school with a team of students whom embody the moral standards, academic standards, and the spirit of ACCHS. They are responsible for interacting with potential students, giving tours, letting students shadow for a day, and different activities; even ones with some of our feeder schools as well. 

Students with an interest in writing meet regularly to share ideas and discuss writing concepts.