After age five, children go to kindergarten. Elementary school or grade school follows kindergarten and goes from first grade to fifth or sixth grade.
五岁后，孩子就上幼儿园。接着就上小学。小学是从一年级到五年级或者六年级。
Fourth grade in elementary school, I participated in a national essay contest for primary and secondary school students.
上小学四年级时，我参加了全国小学生作文竞赛。
Multiple assessments were used to investigate ADHD students of elementary school (1-5 grade). Findings show that the ratio of ADHD in elementary school is about 3.1%.
本研究用运多重评估法（访谈、量表和行为观察相结合） ，对某小学1-5年级学生进行了有关注意力缺损多动障碍（ADHD）的筛查研究。
Multiple assessments were used to investigate ADHD students of elementary school (1-5 grade). Findings show that the ratio of ADHD in elementary school is about 3.1%.
本研究用运多重评估法（访谈、量表和行为观察相结合） ，对某小学1-5年级学生进行了有关注意力缺损多动障碍（ADHD）的筛查研究。
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