=================== FreeSvg ===================

https://freesvg.org/cartoon-giraffe-image
https://freesvg.org/school-kids-vector-image
https://freesvg.org/happy-school-kids
https://freesvg.org/1433924438
https://freesvg.org/cartoon-propeller-aircraft
https://freesvg.org/stick-figure-family-2
https://freesvg.org/symbol-for-helping-people-on-the-reception-vector-illustration
https://freesvg.org/pink-mailbox

=================== Pexels ===================

https://www.pexels.com/photo/girls-on-desk-looking-at-notebook-159823/

=================== Pixy ===================

https://pixy.org/5901218/

=================== Pxhere ===================

https://pxhere.com/en/photo/978102
https://pxhere.com/en/photo/1052922
https://pxhere.com/en/photo/765315
https://pxhere.com/en/photo/726472
https://pxhere.com/en/photo/1437961
https://pxhere.com/en/photo/1563533
https://pxhere.com/en/photo/635897
https://pxhere.com/en/photo/1332432
https://pxhere.com/en/photo/485571
https://pxhere.com/en/photo/527808
https://pxhere.com/en/photo/762278
https://pxhere.com/en/photo/660991
https://pxhere.com/en/photo/52971
https://pxhere.com/en/photo/1092840
https://pxhere.com/en/photo/750984
https://pxhere.com/en/photo/572955
https://pxhere.com/en/photo/751796
https://pxhere.com/en/photo/1450063
https://pxhere.com/en/photo/722276