Columbia subject headings:
Harvard subject headings:
Education, Secondary--Social aspects--Mexico.
High school students--Mexico--Ameca (Jalisco)--Social conditions.
High school students--Mexico--Cuajinicuilapa--Social conditions.
High school students--Mexico--Xalapa--Social conditions.
Princeton subject headings:
Education, Secondary--Social aspects--Mexico.
High school students--Mexico--Ameca (Jalisco)--Social conditions.
High school students--Mexico--Cuajinicuilapa--Social conditions.
High school students--Mexico--Xalapa--Social conditions.