A circular insignia 3 inches (7.62 cm) in diameter overall, consisting of an inner white disc on which is the blue and white silhouette of a matador brandishing a red cape. Around the disc, a blue band edged with a 1/8 inch (.32 cm) white border, inscribed "ESTACADO" at the top and "MATADORS" in base in white letters 5/16 inch (.79 cm) in height.
Blue and white are the school's colors. The mascot nickname for the school is "The Matadors."
The shoulder sleeve insignia was approved 18 April 1974. It was amended to add subdued colors and metric measurements on 7 August 1992. (TIOH Drawing Number A-10J-273)