National Honors Society is open to qualifying sophomores through seniors who have been invited to apply and who have been accepted by majority vote of a faculty council. NCHS conducts a spring application process.
Newman Ambassadors are a select group of students, grades 10-12, who assist in the recruitment and marketing efforts of the school and system. Students must apply and are interviewed prior to being appointed to this club.
Newman Pep Band is part of the Newman Band Program. As part of their Band grade, students are required to perform at various athletic and school spirit functions, in addition to certain parade performances.
Student Council members are elected by their peers as class representatives. The officers for each class make up the NCHS student Council and function as a student government organization which works to promote student leadership in the operations of the school, and serves as the voice of the students in the school.
Model UN allows students the opportunity to learn the skill of debate while cooperating with others to offer diplomatic solutions to the world's problems. Students attend several conferences throughout the school year.