People:
* Students: Of all ages and abilities.
* Teachers: Educators, instructors, professors.
* Administrators: Principals, vice-principals, superintendents, deans.
* Support Staff: Librarians, counselors, nurses, secretaries, custodians, bus drivers.
* Parents/Guardians: Involved in their children's education.
* Visitors: Guest speakers, field trip chaperones, etc.
Places:
* Classrooms: Learning environments with desks, whiteboards, projectors.
* School Buildings: Including hallways, offices, libraries, cafeterias, gyms, auditoriums, playgrounds, sports fields.
* School Buses: Transportation to and from school.
* Libraries: Resources for research and reading.
* Laboratories: For science experiments.
* Computer Labs: For technology education.
* Auditoriums/Gymnasiums: For assemblies, performances, and sports.
Things/Objects:
* Textbooks: Learning materials.
* Notebooks: For taking notes.
* Pens and Pencils: Writing utensils.
* Computers and Tablets: Technology for learning.
* School Supplies: Rulers, erasers, crayons, glue, etc.
* Lockers: For storing personal belongings.
* Backpacks: For carrying school supplies.
* Uniforms (in some schools): Standardized clothing.
* Awards and Trophies: Recognition for achievements.
* Homework: Assignments to be completed outside of class.
* Tests and Exams: Assessments of learning.
* Schedules and Timetables: Organization of classes.
* Bell Schedules: Signalling the start and end of classes.
* Report Cards: Assessments of student progress.
Concepts/Activities:
* Learning: The acquisition of knowledge and skills.
* Teaching: The imparting of knowledge and skills.
* Curriculum: The body of knowledge taught in school.
* Extracurricular Activities: Clubs, sports, arts, etc.
* Field Trips: Educational excursions outside the classroom.
* Graduation: The ceremony marking the completion of studies.
* Homework assignments: Tasks assigned to students for independent study.
* Classroom management: Strategies for maintaining order and focus.
* Assessment and evaluation: Methods for determining student understanding.
* Socialization: Interaction and development of social skills.
This list isn't exhaustive, but it covers many of the key aspects associated with the concept of "school." The specifics will vary depending on the type of school (elementary, middle, high school, university, etc.), the country, and the individual school's culture.