Primary School Student, Elementary Schooler, Primary Schooler, Grade Schooler, Grade School Student
Noun
しょうがくせい
小学生だからって、あまく見てるとけがするぜ！
I may just be an elementary school student, but if you underestimate me, you'll regret it!
きょうしつのドアをあけると、一人の小学生が石ころみたいにぐっすりねむっていました。
When I opened the classroom door, there was a grade schooler sleeping like a rock.
小学生の頃、いつもコインを投げて自分の行動を決めていました。
When I was an elementary school student, I always made my decisions by flipping a coin.
You know 学生 is student, so what is a small student? Think young. That would be an Elementary School Student.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.