Adolescente con un montón de libros y portátil sentado en el escritorio en un aula - Foto e imágenes de stock

Sad serious and concerned school girl. High school student learning english or mathematics in class

Young pretty businesswoman feeling sad, upset or angry and looking to the side with a negative attitude, frowning in disagreement

Caucasian schoolgirl raising hand sitting at laptop computer during online lesson on yellow background in studio. Pupil in glasses looking at laptop. Yellow studio background. Distant School Learning

Young teacher at desk in classroom

Teenage girl doing homework at table

Female student preparing for exam at table indoors

Beautiful young woman suffering from headache while working in office

Pretty student with laptop studying at table indoors