As an experienced web developer with a strong background in MySQL and PHP, I am well-equipped to tackle the complexities of your educational platform project. Over the last decade, I have developed a range of applications with web dashboards successfully employed in various sectors, including education. This expertise has provided me with a solid understanding of the intricacies in designing systems that handle teacher and course management functionalities.
In your description, you perfectly outlined your need for a system that can assign different teachers to different courses across multiple grade levels. Having worked on similar projects before, I understand how important it is to ensure smooth navigation and user-friendly interfaces in such systems. With this in mind, I assure you that not only will I deliver the necessary functionality, but I'll also prioritize ensuring that users find the system simple and logical.
To me, every project is a puzzle to be solved; and just like the enigmatic pieces of a puzzle falling into place to reveal the whole picture, so will your project find a perfect solution through my efforts. So let's work together, share your ideas with me and we'll make them into successful realities for your educational platform. Choose me for the optimum blend of experience, skill, and dedication to take your project to new horizons!