Lots of issue can cause interruptions in class or with a student's learning. How do you deal with common issues? During my research I found a goldmine-of-a-website, Search the topics below and click on the links. Whether working with adults or children, this information is invaluable. 

​Eberly Center-Teaching Excellence & Educational Innovation:

Select the problem that best matches your situation:Attitudes & Motivation

• Students come late to class.
• Students don't demonstrate critical thinking.
• Students lack interest or motivation.
• Students performed poorly on an exam.
• Students don’t seek help when needed.
• Students behave rudely in class.
• Students don’t participate in discussion.
• Students can't apply what they’ve learned.
• Students don't come to lecture.
• Students don’t keep up with the reading.
• Students respond to course content and classroom dynamics in emotional and unproductive ways.
• Students in studio-oriented programs aren’t motivated in non-studio courses.

Prerequisite Knowledge & Preparedness

• Students’ background knowledge & skills vary widely.
• Students don't demonstrate critical thinking.
• Students lack interest or motivation.
• Students don't know how to do research.
• Group projects aren’t working.
• Students can't apply what they’ve learned.
• Students can't write.
• Students don’t keep up with reading.

Critical Thinking & Applying Knowledge

• Students’ background knowledge & skills vary widely.
• Students don't demonstrate critical thinking.
• Students don't know how to do research.
• Students can't apply what they’ve learned.
• Students can't write.

Group Skills & Dynamics

• Group projects aren’t working.

Classroom Behavior & Etiquette

• One student monopolizes class.
• Students come late to class.
• Students behave rudely in class.
• Group projects aren’t working.
• Students cheat on assignments and exams.
• Students respond to course content and classroom dynamics in emotional and unproductive ways.

Grading & Assessment

• Students complain the exams are too hard.
• Students complain about grades.
• Students performed poorly on an exam.
• Students cheat on assignments and exams.

Cite
Eberly Center. “Teaching Excellence & Educational Innovation: Solve a Teaching Problem” Carnegie Mellon University. 2021. <https://www.cmu.edu/teaching//solveproblem/step1-problem/index.html> Accessed 07 May 2021.

Other Helpful Websites

1. 12 Teacher Strategies to Inspire Listening, Learning and Self-Control: Detention doesn’t work. Neither does criticism. Or yelling. In fact, they may actually aggravate and encourage a child’s defiance. What does work? These strategies for managing negative ADHD behavior in the classroom — and teaching students better skills for the long run. www.additudemag.com/slideshows/student-behavior-problems-in-the-classroom-teacher-tips/
2. The Problem Trainee: How To Tackle Disruptive Behaviour During The Training Phase? allthingstalent.org/2019/07/11/problem-trainee/
3. ​15 Top Tips on Dealing With Disruptive Behaviour In Your Training Room ​phillyfuggle.typepad.com/trainingtools/2011/02/dealing-with-disruptive-behaviour.html