1905, "Wu Zhi School" moved into the new school building in Nanguan.
19 12, renamed "Wu Zhi Middle School".
1929 was renamed as "Chongzhen Society" and later as "Chongzhen Academy".
194 1 At the end of the year, it was forced to close down due to Japanese occupation. The following year, a middle school named Pingdu County Middle School was established on the spot.
1944, the Japanese army occupied the former site of Huai 'an Hospital as a school building.
1September, 945, Pingdu was liberated, and Pingdu County People's Government took over the school, renamed it "Pingdu Middle School in Jiaodong District" and moved to the former site of Pingdu County Middle School founded by the former National Government of pingdu city. 1932, the National Government established Pingdu County Middle School, located on the north bank of Chongling Bay at the east end of Laoji Street in Pingdu (formerly Pingdu-Chinese and Western Campus).
/kloc-started school in the autumn of 0/933, and it is a public middle school founded by the national government.
1937 was closed due to the July 7th Incident.
/kloc-in the autumn of 0/940, he resumed school in Xin 'an Village, Mingcun Town, Pingdu County.
1945 In the autumn, some students entered Xihai Middle School, and most of the rest teachers and students moved to Qingdao with the school.
1947, the school was renamed as "the third branch of Ludong United Middle School" and "private Qingdao Yuwen Middle School".
1949, the third branch of Ludong United Middle School was closed with the liberation of Qingdao. 194 1 In autumn, Xihai Middle School was founded in Zhuzi Village, Yexian County (now Laizhou).
1July, 942, Xihai Middle School Branch was established at the southern foot of Daze Mountain.
/kloc-0 In the autumn of 944, Xihai Middle School and Xihai Middle School Branch merged into Nanhai Middle School in Dazeshan area.
/kloc-0 changed its name to "Southwest Haitong" in February, 945.
1September 1945, renamed as "Xihai Middle School" and moved to Qilihezi, Tao Pan Township, Pingdu County. 1February, 946, Xihai Middle School merged with Pingdu Middle School in Jiaodong District and was called Xihai Middle School in Jiaodong District. In the autumn of the same year, due to the war, he moved to Dazeshan to run a school.
1948 10, the school moved to Xidujia (now Laizhou) in Ye County.
1April, 949, moved to the original site of Pingdu County Middle School for the second time (formerly Pingdu No.1 Middle and Western Campus).
In September, 1950, the school was renamed as "Liping Middle School in Shandong Province".
195 1 May, the school was renamed "Pingdu Middle School in Shandong Province", and normal classes were divided from it in the same year.
1September 1952, the school moved to the old campus of Pingdu No.1 Middle School and changed its name to "Pingdu No.1 Middle School in Shandong Province".
1August, 953, Pingdu No.2 Middle School merged.
1955, adding a high school.
1960 "Five-year consistent system for junior and senior high schools" reform pilot class started to 1966.
1962 school was recognized as a key middle school in Shandong province.
1966, the "Cultural Revolution" broke out and schools were closed.
1972, the school resumed enrollment.
March 1973, Chengguan Middle School merged.
1976, Chengguan Middle School (now Pingdu No.9 Middle School) came into being.
In July, 20001year, the school was transformed into "state-owned and private".
In February 2002, the school moved eastward to the new campus.
20 1 1 August, students from Grade Two and Grade Three of Pingdu No.6 Middle School merged.
20 12 September, the school resumed the "public" system.