You are Mohamad, a software developer responsible for the development of a school mobile application. The application aims to enhance communication and provide easy access to school resources for students, parents, and teachers. Users should be able to create accounts and log in to the application securely. The registration process should collect necessary information such as name, email, and password. User authentication and data privacy should be ensured. The application should provide a section where the latest school announcements can be displayed. Each announcement should include relevant details such as title, date, and description. Users should receive push notifications on their devices for important updates and announcements from the school. Users should have the option to enable or disable these notifications. The application should provide a calendar that list view of upcoming school events and activities. Each event should include details such as title, date, time, location, and description. The application should have an archive feature that allows users to access and search previous announcements easily. Users should be able to filter announcements based on specific categories or dates. The application should provide students and parents with access to their respective academic grades and attendance records. Users should be able to view current and past grades as well as attendance percentages. The application should visualize students' academic progress through charts or graphs. Users should be able to see their grades and attendance trends over time, helping them track their performance.

1. Determine the project main objective

2. Develop a work breakdown structure

3. Prepare a list of the specific activities that need to be performed to accomplish the project objective

4. Create a network diagram that shows the sequence and dependent relationships of all the activities

5. Develop an estimated duration for each activity

6. Calculate the ES, EF, LS, and LF times and SL for each activity

7. Determine the critical path, and identify the activities that make up the critical path .