eighth graders造句怎么写

Over all, 20 percent of fourth graders, 17 percent of eighth graders and 12 percent of high school seniors demonstrated proficiency on the exam, the National Assessment of Educational Progress.

Of her 18 eighth graders, 15 exceeded requirements, scoring in the highest bracket.

The play is open to all seventh and eighth graders.

This photo shows seventh and eighth graders at a school in the San Joaquin Valley of California in May 1940.