1, school facilities and environment: Guanggu No.4 Primary School has good facilities and environment, equipped with advanced educational equipment and facilities, providing good learning resources and experience, while Guanggu No.2 Primary School has imperfect educational facilities and poor environment.

2. Quality of teaching staff: The four primary schools in Optics Valley have high teaching level, providing personalized education and diversified teaching methods, while the two primary schools in Optics Valley are weak, unable to provide students with broad learning platforms and opportunities.