School sports are not mandatory in all schools. Some schools may require students to participate in sports as part of their physical education curriculum, while others may offer sports as an extracurricular activity that students can choose to participate in. The requirements for school sports can vary depending on the school district and individual school policies. **

School trips are typically not mandatory, but they are often strongly encouraged as they provide valuable learning experiences outside of the classroom. Some schools may require students to attend certain trips that are directly related to the curriculum, but in general, participation is usually optional. Parents may need to provide permission for their child to attend a school trip, and there may be some exceptions for students who are unable to participate due to health or safety concerns. **

School apps are not mandatory in all schools, as it depends on the specific policies and requirements of each school. Some schools may require students to use certain apps for communication, assignments, or other purposes, while others may not have any mandatory app usage. It is important for students and parents to check with their school administration to understand the specific requirements for using school apps. **

Video conferencing is not mandatory in distance learning, as there are various other methods of communication and interaction that can be used, such as email, discussion forums, and chat platforms. While video conferencing can enhance the learning experience by allowing for real-time interaction and engagement, it is not always necessary for successful distance learning. Ultimately, the use of video conferencing in distance learning will depend on the specific requirements and preferences of the course or institution. **

Physical education is mandatory in the high school graduation exam because it is important for students to develop a healthy and active lifestyle. By including physical education in the graduation exam, it ensures that students are exposed to the benefits of regular physical activity and are equipped with the knowledge and skills to maintain their physical well-being. Additionally, physical education helps students develop important life skills such as teamwork, leadership, and discipline, which are valuable for their overall personal and professional development. Lastly, making physical education mandatory in the graduation exam emphasizes the importance of holistic education, recognizing that physical health is just as important as academic achievement. **

Religious education is not mandatory in vocational schools. In many countries, vocational schools focus on providing students with practical skills and training for specific careers, rather than religious instruction. However, some vocational schools may offer optional courses or programs related to religious studies for students who are interested. Ultimately, the inclusion of religious education in vocational schools varies depending on the school's curriculum and the educational policies of the country or region. **

A completed education is not mandatory for customs positions in all countries. However, many customs agencies prefer candidates with at least a high school diploma or equivalent. Some positions may require specialized training or education in areas such as law enforcement, international trade, or customs regulations. Ultimately, the specific educational requirements for customs positions can vary depending on the country and the level of the position. **

Yes, the school examination is usually mandatory for students to assess their understanding of the material taught throughout the academic year. It helps teachers evaluate students' progress and determine their level of knowledge and skills. Additionally, exams are often used to determine students' grades and academic performance. Therefore, students are typically required to take school examinations as part of their educational assessment. **