text: The final reason the Facial Action Coding System should be used in classrooms is because it could teach students about recognizing facial expressions in people and what they mean. So, the technology is not only useful because it helps the students' emotional health, but also because it could help students help each other. If students learn how the computer tells how people are feeling, and they do the same, then the students will be able to recognize emotions and attain help for people they might think need emotional support. This would go above what humans are able to tell about how people feel on a regualar basis.