https://devdocs.magento.com/guides/v2.4/extension-dev-guide/service-contracts/service-contracts.html
https://devdocs.magento.com/guides/v2.4/extension-dev-guide/api-concepts.html
Create database to store student data, design the table structure by yourself
Use service contract, write repository with the function getList, delete, deleteById,, getById, save
Create REST API, for all service interface with resource anonymous.