27 Common Mistakes Teachers Make

• Consistently talking in a monotone.
• Using sarcasm.
• Embarrassing students in front of their peers.
• Talking down to students.
• Not knowing students’ names.
• Being inconsistent or unfair in classroom discipline.
• Using sexist or culturally insensitive language.
• Not being adequately prepared.
• Over-relying on lecture.
• Being disorganized.
• Using inappropriate humor.
• Allowing too many interruptions.
• Expecting perfection, rather than excellence.
• Ignoring the bottom half of the class.
• Not clarifying expectations, rules, and routines.
• Screaming at students.
• Not knowing the subject.
• Talking to the blackboard/whiteboard.
• Trying to impress the students.
• Not using variety in instruction.
• Trying to fake it.
• No having clear objectives in designing lessons.
• Setting expectations too low.
• Poor grooming or personal hygiene.
• Rewarding inappropriate behavior.
• Isolating themselves from colleagues.
• Not learning from their mistakes.