49 1 min. According to official website of Pingyi No.1 Middle School, the grade of the experimental class in 2023 was 49 1, and Pingyi No.1 Middle School was referred to as Pingyi No.1 Middle School. It is a key middle school in Shandong Province, the first batch of key high schools in Linyi City, a standardized school in Shandong Province and an affiliated school of Beijing Normal University.