San Gabriel's student body of 208,667 makes it one of the highest in the state. Public primary schools in San Gabriel have received a math score of 29 out of 55 and a reading score of 29 out of 55 from the National Assessment of Educational Progress (NAEP), which evaluates student achievement. Those scores combined with a total academic score of 29 out of 55 provide some insight into the educational quality in the area.