Λεπτοί έφηβοι, αγόρια και κορίτσια, εξασκούν τη θέση plié του μπαλέτου, κρατώντας την μπάρα του μπαλέτου κατά τη διάρκεια των μαθημάτων χορογραφίας. Βίντεο 4k υψηλής ποιότητας

Female teacher showing argentinian flag to kids in geography class kids learning together about argentina in geography class απόθεμα βίντεο

Teen gathering to round table talks to carrying out discussing chatting disputing under woman coach guidance acting masters απόθεμα βίντεο

Calm teenage girl standing and talking to students sitting in circle with teacher watching calm teenage girl standing and talking φιλμ μικρού μήκους

Attentive teenage students using smartphones to scan qr codes during lesson with teacher in background attentive teenage students απόθεμα βίντεο

Focused group of diverse teens attending educational session with instructor speaking in school classroom attentive teenage απόθεμα βίντεο

Confident teenage boy standing and talking to students sitting in circle with teacher watching confident teenage boy standing and απόθεμα βίντεο

Interested teenage students solving problems on paper while female teacher watches in modern classroom focused multiethnic teens απόθεμα βίντεο

Attentive teenage girl using smartphone to scan qr codes during lesson with teacher in background attentive teenage girl using απόθεμα βίντεο

African american teen girl attendee group class and listen to lecturer african american teen girl attendee group class and listen απόθεμα βίντεο

During talk in at class teen pupil listen to lecturer lecture discussions on career guidance representative of educational φιλμ μικρού μήκους

Slender teenage boys and girls practicing plie position of ballet holding by ballet barre during choreography classes slender απόθεμα βίντεο

Concentrated girl in white kimono practicing punches gym during martial arts workout with multiracial group of tweens focused απόθεμα βίντεο

Two teams of teens participants are negotiating consulting rehearsing performance two teams of teens participants are negotiating φιλμ μικρού μήκους

Κορίτσι κάνει διατάσεις και προετοιμάζεται να εκτελέσει Jana Shirshasana απόθεμα βίντεο

Group of boys and girls sits in a circle discussing the topic they communicate with each other teacher observes directs απόθεμα βίντεο

Elderly high teacher conducting a lesson in the classroom holds the national flag of australia and tells the pupils elderly high απόθεμα βίντεο

During meeting at class teen pupil listen to lecture doctor lecturer in background during meeting at class teen pupil listen to απόθεμα βίντεο

Έφηβοι κάθονται στην τάξη και κοιτάζουν την παρουσίαση με τον καθηγητή στο παρασκήνιο. Αγόρια και κορίτσια φιλμ μικρού μήκους

Teenage children scan the qr code on presentation screen to get additional materials school curriculum schoolchildren using mobile απόθεμα βίντεο

Ένας έφηβος στέκεται σε κύκλο μπροστά σε άλλα μαθητές κάνοντας μια ομιλία. Το αγόρι συμμετέχει σε θεατρική ομάδα, αυτός απόθεμα βίντεο

At yoga class girl is lying on back bent one leg knee and raised it to chest dreaminess concentration during pilates classes απόθεμα βίντεο

Group of concentrated teenage students ballet school diligently practicing demi rond de jambe par terre at barre in sunlit απόθεμα βίντεο

Professional female teacher explaining educational topic to attentive teenage students in modern classroom focused woman educator απόθεμα βίντεο

Active female teacher speaking to attentive teenage students sitting around table in modern classroom emotional woman instructor φιλμ μικρού μήκους

Thoughtful teenage boy listening to teacher while sitting with classmates in modern school classroom thoughtful teenage boy απόθεμα βίντεο