A disc 3 inches (7.62 cm) in diameter overall, consisting of an inner blue disc edged with a 1/16 inch (.16 cm) white border, centered on the inner disc a blue star fimbriated white, the star charged with a white demi-torch enflamed. Around the inner disc a blue band edged with a 1/8 inch (.32 cm) white border, the band inscribed "CENTRAL CATHOLIC" at top and "HIGH SCHOOL" in base with a lozenge separating the two inscriptions on each side, all in white, the letters 5/16 inch (.79 cm) in height.
The shoulder sleeve insignia originally authorized 6 August 1969, was amended 1 August 1989, to add subdued colors and metric dimensions.. (TIOH Drawing Number A-10J-151)