vs 

QUICK ANSWER
"High school" is a noun which is often translated as "la escuela secundaria", and "senior" is an adjective which is often translated as "mayor". Learn more about the difference between "high school" and "senior" below.
high school(
hay
 
skul
)
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
noun
a. la escuela secundaria
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(F)
High school precedes college.La escuela secundaria precede la universidad.
b. la escuela preparatoria
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(F)
Regionalism used in Mexico
(Mexico)
I graduated from high school ten years ago.Me gradué de la escuela preparatoria hace diez años.
c. la prepa
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(F)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
Regionalism used in Mexico
(Mexico)
When did you graduate from high school?¿Cuándo te graduaste de la prepa?
d. el instituto
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
Regionalism used in Spain
(Spain)
There are a thousand students in the high school.En el instituto hay mil estudiantes.
e. el bachillerato
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
(studies)
Regionalism used in El Salvador
(El Salvador)
Regionalism used in Spain
(Spain)
Regionalism used in Venezuela
(Venezuela)
High school is harder than I expected.El bachillerato es más difícil de lo que esperaba.
f. el liceo
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
(building)
Regionalism used in Uruguay
(Uruguay)
Regionalism used in Venezuela
(Venezuela)
I have to walk two blocks to the high school.Tengo que caminar dos cuadras para llegar al liceo.
g. la enseñanza media
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(F)
Regionalism used in Chile
(Chile)
I'm studying biology in high school.Estoy estudiando biología en la enseñanza media.
h. el colegio
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
Regionalism used in Ecuador
(Ecuador)
They need more teachers for the high school.Se necesitan más maestros para el colegio.
i. el instituto preuniversitario
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
Regionalism used in Cuba
(Cuba)
They are opening a new high school.Están abriendo un instituto preuniversitario nuevo.
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. de escuela secundaria
A group of high-school students won a prize for their revolutionary app.Un grupo de estudiantes de escuela secundaria ganó un premio por su app revolucionaria.
Copyright © 2025 Dictionary Media Group, Inc.
senior(
si
-
nyuhr
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. mayor
She is three years senior to him.Ella es tres años mayor que él.
b. padre
Allow me to introduce you to Arnold Junior and Arnold Senior.Permítame presentarle a Arnold, hijo y Arnold, padre.
a. superior
Esteban is a senior officer at the organization.Esteban es un oficial superior en la organización.
b. de responsabilidad (position)
Only two women occupy senior positions within the company.Solo dos mujeres ocupan cargos de responsabilidad en la empresa.
3. (education)
Regionalism used in the United States
(United States)
a. del último año
These rules only apply to senior students.Estas reglas solo se aplican a estudiantes del último año.
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
noun
a. la persona mayor
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(F)
There is a painting class for seniors at the community center.Hay una clase de pintura para personas mayores en el centro comunitario.
b. la persona de la tercera edad
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(F)
Is there a discount for seniors?¿Hay un descuento para las personas de la tercera edad?
a. mayor
She is ten years his senior.Ella es diez años mayor que él.
a. el superior
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
I need to get authorization from my senior first.Antes necesito autorización de mi superior.
7. (education)
Regionalism used in the United States
(United States)
a. el estudiante del último año
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
, la estudiante del último año
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(F)
Ryan is a senior at Harvard.Ryan es un estudiante del último año en Harvard.
Copyright © 2025 Dictionary Media Group, Inc.