Found 10 stronger alternatives to upgrade your writing.
Higher education (college)
Nuance: Higher ed
Use for higher education (especially US usage).
Boring
After high school, she hopes to go to school and study biology.
Better
After high school, she hopes to go to college and study biology.
Degree-granting school
Nuance: Higher ed
Use for a higher-level school that grants degrees.
Boring
The school closed early because snow was piling up on the roads.
Better
The university closed early because snow was piling up on the roads.
Specialized school
Nuance: Specialized
Use for specialized schools (military, arts, etc.).
Boring
He attends a military school to become an officer.
Better
He attends a military academy to become an officer.
Formal word for a school/organization
Nuance: Official
Formal word for an educational organization.
Boring
The school has strict rules about attendance and conduct.
Better
The institution has strict rules about attendance and conduct.
School grounds and buildings
Nuance: Place
Use when you mean the grounds/buildings, not the classes.
Boring
The school has a big library, a cafeteria, and a quiet courtyard where students study.
Better
The campus has a big library, a cafeteria, and a quiet courtyard where students study.
Specialized organization (often tech/research)
Nuance: Specialized
Use for a specialized school or organization.
Boring
She was accepted to a school of technology and started programming on day one.
Better
She was accepted to an institute of technology and started programming on day one.
Technical college/university
Nuance: Technical
Often used for technical colleges/universities (common outside US).
Boring
He enrolled at a school to study engineering and applied design.
Better
He enrolled at a polytechnic to study engineering and applied design.
Religious training school
Nuance: Religious
Use for a religious training school for clergy.
Boring
The religious school trains future clergy, and students spend long hours reading and discussing texts.
Better
The seminary trains future clergy, and students spend long hours reading and discussing texts.
Arts/music school
Nuance: Arts-focused
Use for a school focused on music or the arts.
Boring
She practiced piano at the music school until her fingers ached, then stayed to hear the evening recital.
Better
She practiced piano at the conservatory until her fingers ached, then stayed to hear the evening recital.
School you graduated from
Nuance: Alumni
Use for the school you attended/graduated from.
Boring
Our school won the championship, and alumni wore the school colors all week.
Better
Our alma mater won the championship, and alumni wore the school colors all week.