"at the third grade" is correct and usable in written English.
You can use it to describe someone's level of education, e.g. "He graduated high school at the third grade".
In speeches and writings, Dr. Carson describes growing up with a divorced mother whose education stopped at the third grade and who worked two, and sometimes, three jobs.
Mr. Bloomberg, his aides say, will point to his accomplishments -- reorganizing the system, ending so-called social promotion at the third grade -- and then ask for four more years to finish the job he started.
And a 2012 look at the third grade outcomes was even less heartening, with no discernible academic gains and teachers reporting slightly more behavioral problems in the Head Start kids.This is basically the state of the debate over subsidised pre-school for families who can't otherwise afford it.
He said that Marty Bannon, his ninety-five-year-old father, a devout Catholic whose education ended at the third grade, had, like his father before him, worked at A.T. & T. for half a century, rising slowly from a blue-collar job to a white-collar one; his loyalty to the company was so great that he put all his savings into A.T. & T. stock.
Led by Ralph Smith from the Annie E. Casey Foundation states like Ohio now mandate that children not reading at the third grade level in third grade will be retained!
Finally, the complete sentence, at the third grade, "I am sensing, feeling and thinking," would apply to the sensory binding of the self-reflective Mind, more comprehensively notated as state 3[1,2].
He met Rebecca Sweet at Thomas Edison Elementary in the third grade.
Rose Dorn is in the third grade at the time.
She teaches the third grade at the Grace Church School in New York.
Her mother teaches the third grade at Trenton Elementary School.
Her son, who is in the third grade, reads at the sixth-grade level, she said, but had trouble completing a practice test.
