An electronic device according to one embodiment may include memory and a processor. The processor stores in the memory a learning manual comprising at least one of chalk color combinations, chalk usage angles, writing size, eye
contact time between the instructor and the learner, eye contact frequency, counseling topics with the learner, counseling time, counseling frequency, a method for registering and managing the instructor's lectures online, a method for managing learners during semesters or vacation seasons, a method for managing lecture folders, a management method based on the learner's gender, a management method based on the learner's age, counseling topics regarding the learner's parents, a method for responding to parents, a subject, the instructor'
s voice tone, voice volume, the instructor's class speed, or the instructor's speech speed; provides a guide for corresponding elements in the learning manual based on
user input; learns the instructor's lecture videos using an
artificial intelligence learning model; quantifies the evaluation of the instructor's lecture for each component of the learning manual; evaluates the instructor's lecture based on the evaluation numerical value for the instructor; stores in the memory; creates a
database indicating the instructor's lecture level based on lecture evaluation records for at least one instructor; updates the
database whenever a new lecture video is learned using an
artificial intelligence learning model; and the learning stored in the memory Evaluation scores for multiple instructors are calculated for each component of the manual, an average value is determined for the evaluation scores, a relative evaluation grade is assigned to the instructor based on the average value, grade information is stored together in the
database, and the grade information can be displayed on the display based on
user input in the database.