Mary C O'brien Elementary School Enrollment By Gender

The student body of Mary C O'brien Elementary School in Casa Grande, Pinal County, Arizona is about evenly split between males and females. The female population of the school is slightly larger; 75 of the 129 students (58.1 %) are female whereas 54 of the 129 students (41.9 %) are male.

Gender	Number	%
Female	75	58.1 %
Male	54	41.9 %

Mary C O'brien Elementary School Enrollment By Race

The student body of Mary C O'brien Elementary School in Casa Grande, Pinal County, Arizona is made up of 5 ethnicities. The largest ethnic group of the 129 students at Mary C O'brien Elementary School is Hispanic. This is followed by White (27.1 %), Indian (1.6 %), Black (1.6 %) and Mixed Students of two or more ethnicities (0.8 %).

Race	Number	%
Indian	2	1.6 %
Hispanic	89	69.0 %
Black	2	1.6 %
White	35	27.1 %
Two or More Ethnicities	1	0.8 %