young girl (circa 12 years old) doing her homework from a desk in her bedroom - 十二歲到十三歲 個照片及圖片檔兒童, 手提電腦, 學習
powerful shot of a young teenage girl looking out of her window at sunset - 十二歲到十三歲 個照片及圖片檔少年男女, 兒童, 女孩
two elementary schoolgirls giving school project presentation speech at front of class - 十二歲到十三歲 個照片及圖片檔演示 - 演講, 學生, 課室
portrait of a nervous teen girl looking at her smartphone biting her nails worried about bad news - 十二歲到十三歲 個照片及圖片檔少年男女, 青春期, 兒童
group of multiracial elementary school students talk and enjoy studying together in a classroom - 十二歲到十三歲 個照片及圖片檔學生, 課室, 兒童
smiling male taking selfie with friends through smart phone while standing in city - 十二歲到十三歲 個照片及圖片檔少年男女, 青春期, 兒童
elementary schoolboy concentrating at desk, writing notes in notebook - 十二歲到十三歲 個照片及圖片檔學生, 十歲到十一歲, 女孩