At St. Anthony's Inter College, Pratapgarh, co-curricular activities form an integral part of the educational experience. These activities provide students with opportunities to explore their talents, develop leadership skills, build self-confidence, and foster teamwork beyond the classroom. The school believes that holistic education is achieved through a balanced combination of academics and extracurricular engagement.

Students actively participate in a wide range of activities, including debates, quizzes, essay writing, elocution, art and craft competitions, music, dance, drama, and cultural programmes. These activities encourage creativity, communication skills, and critical thinking while helping students discover and nurture their individual interests and abilities.

The institution also places significant emphasis on sports and physical education. Various indoor and outdoor games, athletic events, and annual sports competitions promote physical fitness, discipline, sportsmanship, and teamwork. Students are encouraged to participate in inter-school and district-level competitions to showcase their talents and achieve excellence.

Through co-curricular activities, St. Anthony's Inter College aims to develop well-rounded individuals who are confident, responsible, and capable of contributing positively to society. These experiences complement academic learning and play a vital role in shaping students into future leaders and responsible citizens.