ANTONIO FERNOS ISERN

ANTONIO FERNOS ISERN is a large high school in Puerto Rico, located in SAN LORENZO. It had 673 students in 2024-25, spanning grades 9 through 12. High schools in Puerto Rico have about 389 students on average; enrollment here is 73% higher.

PUERTO RICO DEPARTMENT OF EDUCATION has 236,079 students spread across 856 schools.

Hispanic students account for 100% of the school's enrollment. Among San Lorenzo Municipio residents, the Hispanic share is about 100%. A diversity index of 1% means there is a 1% chance two randomly chosen students at ANTONIO FERNOS ISERN are from different groups.

For every teacher at ANTONIO FERNOS ISERN, there are about 14.0 students; the school has 48 full-time-equivalent teachers. The average for high schools in Puerto Rico, 10.2:1, is lower. There are 611 students eligible for free or reduced-price lunch, 91% of enrollment.

For the population of San Lorenzo Municipio, the median household earns about $22,847 a year and the poverty rate is about 41%. ANTONIO FERNOS ISERN shares San Lorenzo Municipio with 7 other public schools.

About 0.6 miles separate ANTONIO FERNOS ISERN from the closest public school, GENEROSO MORALES MUNOZ. A five-mile radius around the school includes at least 8 other public schools.

Its location is classified as Suburb: Large by the National Center for Education Statistics.

Enrollment figures show a decline of 127 students from 2020-21 to 2024-25. By 2024-25, the school had 14.0 students per teacher, compared with 16.0 in 2020-21.

The allk12 page for ANTONIO FERNOS ISERN lets the school community talk about athletics, class schedules, and weather closures. You can also rate the school on this page.