On March 31st, March 31, 2021, New Jinsheng Bautista was separated from Kansas,Canada The first day of learning. A proposent by the Biden government released on Wednesday found that only 34% of K-12 students participated in the public schools have returned to full-time relatives, although it is providing 46% of the United States.  According to the survey, the National Education Statistics Center is conducted, and the media is more likely to return full-time to the classroom than the relevant education statistics. The report found that only 29% of the eighth grade students chose full-time return to school, and 39% of the fourth grade students returned to school full-time.
 The report includes data from the 37 states participating in the survey. These data come from 3,500 schools, with four grades of students and 3,500 schools serve eight-grade students.
 The center of disease control and prevention in February released NES, and President Joe Biden called for the campaign footage and ended in January. Precautions include continuous wearing masks and social alienation.
 In March, CDCs were transferred for long-term guidance. It is recommended to keep six feet between schools, and if students wear masks, they can accept three feet. During lunch, students still suggest six feet between students.
 Most K-12 schools turned to virtual education in March 2020, although there are many countries, including the largest system, returning to the classroom at least a certain ability within the second year.
According to the Biden report, only 18% of students returned to the classroom in the fourth-grade student part. A 24% of an obvious eighth grade student chose hybridization and virtual learning; when investigations in January, this is a 4% jumping.  The investigation also found the differences between the United States. Although about 50% of the fourth grade students in the southern countries have full-time in the classroom, it is found that only 19% of students in the classroom study all in the classroom.
 A totalMore than two-thirds students come back in the classroom, but less than quarter students returned to the report in the west, the Northeast of the United States.
From January to February, the fourth grade in the northeast is lagging behind from January to February 4%, which shows.  More than half according to the report, the fourth-grade student in the class is full-time in the classroom, not 3 black and hispanic students. Only 15% of Asia's fourth-grade student returns to schools a week.