From primary grades through university life, education provides English with a rich vocabulary of metaphors, phrasal verbs, and informal expressions. Whether describing long study hours, exam results, or attendance habits, these school-related idioms are essential for following everyday conversations about learning and work.
This reference categorizes the most common American idioms for school life, studying, tests, and classroom culture.
Studying & Diligence
Native speakers rarely say “I am going to study intensely.” Instead, they rely on a family of book- and work-related idioms:
- Hit the books: To begin studying seriously, especially when preparing for an exam or deadline.
“I can’t go to the movies tonight; I really need to hit the books.” - Crack the books: To open a book to study (often used in the negative to describe someone who neglects their schoolwork).
“He barely cracked the books all semester, but he somehow managed to pass.” - Have one’s nose in the books: To be completely absorbed in studying or reading. In the singular (nose in a book), it often describes reading for pleasure.
- Keep one’s nose to the grindstone: To work steadily, hard, and continuously without distraction.
- Burn the midnight oil: To stay up late into the night working or studying, alluding to old oil lamps.
- Pull an all-nighter: To stay awake an entire night without sleeping to complete a paper or cram for a test.
- Cram session: An intensive, last-minute study session right before an exam, often done collaboratively in a group.
Classroom Verbs: Submitting Work
In American classrooms, instructors and students rarely use the formal verb submit. Instead, three common separable phrasal verbs dominate:
- Turn in / Hand in: To submit completed assignments or essays to an instructor.
“Don’t forget to turn in your homework before you leave today.” - Pass in / Pass forward: Used when students inside the classroom hand papers physically toward the front of the room or collect them row-by-row.
- Hand back / Pass back: The reciprocal action used by the teacher when returning graded work to students.
Tests, Quizzes & Performance
In standard usage, teachers give tests, while students take tests. When the results arrive, these idioms describe the outcome:
Types of Assessments
- Pop quiz: An unannounced, surprise quiz designed to check whether students completed reading assignments.
- Midterms & Finals: Comprehensive exams given halfway through or at the very end of an academic term.
- Make-up test: A rescheduled exam allowed for a student who missed the original test due to illness or an excused absence.
- Open-book test: An exam where students are permitted to consult notes, textbooks, or reference sheets.
Describing Grades & Test Results
- Ace a test: To earn a top grade (typically an ‘A’) or pass with ease.
“She aced the biology midterm without breaking a sweat.” - Bomb a test: To perform exceptionally poorly or fail completely.
“I thought I was prepared, but I completely bombed the history exam.” - Flunk: To fail an exam or course entirely (“He flunked algebra”), or used transitively when a teacher assigns a failing grade (“The teacher flunked him for plagiarizing”).
- Flunk out: To be formally dismissed from a school or college due to continuous failing grades.
Student Stereotypes & Roles
Colloquial English features several vivid labels for academic behavior:
- Straight-A student: Someone who earns the highest possible marks across all classes.
- Teacher’s pet: A student who appears to be favored by the instructor, often through fawning or excessive eagerness.
- A brain / Brainy: Informal slang for an intellectually sharp or academically gifted person.
- A walking encyclopedia: Someone who possesses a massive store of factual knowledge and recall.
- High school / College dropout: A person who leaves an academic program permanently before completing their degree.
Nuance Note: “In School” vs. “At School”
Non-native speakers frequently mix up the prepositions in and at when describing school:
- In School (Status / Role): Refers to whether someone is currently enrolled as a student. If someone on the street asks what you do for a living, replying “I’m in school” means you are attending university or secondary school.
- At School (Physical Location): Refers to being physically located on the campus grounds or inside the school building at that exact moment (“He can’t take your call right now; he’s at school”).
Skipping Class & Attendance
When attendance is mandatory, unexcused absences are described using these informal terms:
- Play hooky: A classic colloquial phrase meaning to stay away from school or work without permission, often to enjoy free time or good weather.
- Cut class / Skip class: Deliberately deciding not to attend a specific lecture or period.
- Ditch school: Leaving the school campus entirely during class hours.
Homeschool & Independent Study Activities
- Literal vs. Figurative Sketching: Have your student choose two idioms from this list (e.g., “hit the books” or “burn the midnight oil”) and draw two side-by-side pictures: one illustrating the literal words, and one showing the actual real-world meaning.
- The Dialogue Challenge: Ask your learner to write a short, one-page conversation between two students discussing an upcoming exam, requiring them to naturally incorporate at least four school-related idioms or phrasal verbs.
- Etymology Mini-Report: Select an idiom with a historical backstory (like “burn the midnight oil”) and have the student write a short paragraph explaining why lamps or old-fashioned customs created modern American phrases.
Free Printable Classroom Handout: Get the complete, formatted 3-page guide to Agreeing and Disagreeing in English for study packets, lesson binders, or student handouts. DOWNLOAD / PRINT PDF