There is no reliable basis for the enrollment rate. But I still managed to find you a list of provincial-level standardized ordinary high schools in Shandong Province, among which Rizhao No.4 Middle School is one.
List of Provincial Standardized Ordinary High Schools in Shandong Province
(Up to the twelfth batch of 338 * * *)
Jinan 28: Provincial Experimental Middle School Jinan No.3 Middle School Licheng No.1 Middle School
Shandong normal university affiliated middle school Licheng no.2 high school Licheng no.4 high school
Ji' nan No.1 high school Ji' nan No.2 high school Zhangqiu No.5 high school
Ji 'nan No.7 Middle School Ji 'nan No.9 Middle School Jiyang No.1 Middle School
Zhangqiu No.4 High School Pingyin No.1 High School Jibei High School
Zhangqiu No.1 High School Zhangqiu No.7 High School Huimin High School
Jigang high school Ji' nan eleventh high school Licheng no.5 high school
Changqing No.1 High School Ji 'nan High School Changqing No.3 High School
Changqing High School Pingyin No.2 Middle School Pingyin No.3 Middle School Zhangqiu High School
Qingdao 32: Pingdu No.1 Middle School Jiaonan No.2 Middle School Qingdao No.58 Middle School
Jimo No.1 High School Jiaonan No.5 High School Pingdu No.9 High School
Qingdao no.16 middle school laixi No.1 high school laixi No.2 high school
Qingdao No.17 Middle School Jimo No.2 Middle School Jiaonan Experimental Middle School
Qingdao No.2 Middle School Development Zone Experimental Middle School Jiaonan No.3 Middle School
Jiaonan No.1 Middle School Qingdao No.1 Middle School Qingdao Tie No.1 Middle School
Qingdao No.19 High-tech Park No.1 High-tech Park No.2 Middle School
Chengyang No.1 Middle School Jiaozhou No.1 Middle School Jiaozhou Experimental Middle School
Jiaonan No.8 High School Qingdao No.11 High School Qingdao No.15 High School
Chengyang No.2 Middle School Chengyang No.3 Middle School Jiaozhou No.3 Middle School
Qingdao No.9 High School Jiaozhou No.2 High School
30 schools in Zibo: Zibo No.1 Middle School, Zibo No.11 Middle School and Zibo No.5 Middle School.
Huantai No.1 High School Zibo No.3 High School Yiyuan No.1 High School
Zibo No.4 Middle School Zichuan No.1 Middle School Zibo No.6 High School
Linzi No.3 Middle School Zibo No.7 Middle School zhoucun district No.2 Middle School
Zibo No.18 Middle School zhoucun district Experimental Middle School Zibo No.15 Middle School
Yiyuan No.2 Middle School Linzi No.2 Middle School Petrifaction Shi Jian School
Zibo No.10 Middle School Zibo No.17 Middle School Lv Shan No.1 Middle School
Wanjie Chaoyang school linzi No.4 high school boshan experimental middle school
Gaoqing No.1 High School Gaoqing No.2 High School Yiyuan Comprehensive High School
Huantai Yuyang High School Linzi Gong Xue High School Huantai No.2 High School
Rizhao No.8 Middle School: Rizhao No.1 Middle School Wulian No.3 Middle School Wulian No.1 Middle School
Rizhao experimental middle school Juxian county No.1 high school Rizhao No.4 high school
Rizhao No.5 High School Rizhao No.1 High School Lanshan Campus
Laiwu No.6 Middle School: Laiwu No.1 Middle School, Laiwu No.17 Middle School and Laiwu No.5 Middle School.
Laiwu No.2 Middle School Laiwu No.4 High School Fengcheng High School
Linyi 2 1: Linyi No.1 Middle School Pingyi No.1 Middle School Linyi No.3 Middle School
Pingyi experimental middle school shuangyueyuan school Luo Zhuang No.1 high school
Yishui No.1 High School Yishui No.2 High School Qilu Yuan Bo School
Pingyi No.2 Middle School Linshu No.1 Middle School Linshu No.2 Middle School
Linshu No.2 Middle School Yi 'nan No.1 Middle School Yi 'nan No.2 Middle School
Ju' nan No.1 High School Feixian Experimental Middle School Hedong District No.1 High School
Tancheng No.2 High School Yishui No.3 High School Ju 'nan No.3 High School