por VANESSA DENISSE HEREDIA OÑA hace 3 años
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Basic Superior (sublevel 4)
corresponds to the 8th, 9th and 10th grades of Basic, preadolescents from 12 to 14 years old
Medium Basic (sublevel 3)
corresponds to the 5th, 6th and 7th grades of Basic, children from 9 to 11 years old
Basic Elementary (sublevel 2)
corresponds to the 2nd, 3rd and 4th grades of Basic, children from 6 to 8 years old
Basic Preparatory (sublevel 1)
corresponds to the 1st grade of Basic, 5-year-old children