Educación, escuela, graduación y concepto de conocimiento - primer plano de libros y mortero con diploma en mesa de madera sobre el cielo azul y el fondo de nubes - Foto e imágenes de stock

Graduation cap on bent tower of stacked books

Education, school, graduation and knowledge concept - close up of books and mortarboard with diploma on wooden table over holidays lights background

Grad hat with books isolated on white

A mortar board on a pile of books, symbolic photograph of education and competence

Education, school, graduation and knowledge concept - close up of books and mortarboard with diploma on wooden table

Grad hat with books isolated on white

Grad hat with books isolated on white

Education, school, graduation and knowledge concept - close up of books and mortarboard on wooden table

Education, school, graduation and knowledge concept - close up of books and mortarboard on wooden table

Education, graduation, technology and e-learning concept - close up of tablet pc computer with mortarboard and diploma scroll on wooden table

Education, school, graduation, gesture and people concept - happy smiling african american student girl in bachelor cap with books and diploma showing thumbs up over green chalk board background

Education, happiness, graduation and people concept - picture of happy student in mortar board cap with stack of books over blue background

Education, happiness, graduation and people concept - picture of happy student in mortar board cap with stack of books over green background

Business and education concept - happy student in graduation cap with stack of books