Microsoft 365 A1 is a 1-Year Subscription License for Schools. It is assigned as "Device SL" which means that this is a device based license as opposed to a user based license for A2 and A3 levels. Level A1 is a perpetual device based license that lasts for up to 6 years or the life of the device, whichever ends first, and includes the following:

• Office Mobile Apps: Create/edit rights for commercial use of Office Mobile apps (Core Office Mobile Apps include: Outlook, Word, Excel, PowerPoint, OneNote)
• Office Online: Create/edit rights for online versions of core Office apps
• Exchange Online: (Plan 1 50GB)
• SharePoint Online: (Plan 1)
• Skype for Business Online: (Plan 1)
• Microsoft Teams
• Classroom Experiences in Teams
• OneDrive for Business: 1-5+ TB (Does not include desktop sync; Unlimited OneDrive storage for subscriptions of five or more users. Microsoft will provide an initial 5 TB of OneDrive storage per user. Customers who want additional OneDrive storage can request it as needed by contacting Microsoft support. Subscriptions for fewer than five users receive 1 TB OneDrive storage per user.)
• OneNote Class Notebook
• Yammer Academic: Use polls to crowd source feedback and get answers fast. Yammer is your social layer across Microsoft 365, integrating with the apps and services you already use to stay productive. You can create and edit documents, take notes, and share resources as a group.
• Learning Tools
• Teacher Analytics
• Microsoft Flow: Now called Power Automate, is cloud-based software that allows employees to create and automate workflows and tasks across multiple applications and services without help from developers.
• Microsoft Forms (Does not include Forms Pro capabilities )
• Microsoft Graph API: A RESTful web API that enables you to access Microsoft Cloud service resources. After you register your app and get authentication tokens for a user or service, you can make requests to the Microsoft Graph API.
• Microsoft Planner: A to-do app that comes with Office 365. It's used for personal and teamwork planning, with a simple card-based interface that's similar to Trello.
• Microsoft PowerApps (Does not include Custom connectors, integration of on-premises data through the on-premises data gateway, or custom HTTP actions using the Flow HTTP connector)
• Microsoft Shifts: A schedule management tool that helps you create, update, and manage schedules for your team. Schedules - Create a schedule from scratch or import an existing one from Excel. A Shifts schedule displays days at the top while team members appear on the left.
• Microsoft Stream
• Microsoft Sway (Sway is not currently available in certain geographies. Some legacy Office 365 plans that are no longer in market as of August 2015 may also not have access to Sway)
• Office Delve: A cloud-based solution that displays personal content. It is powered by Office Graph (a database that collects information on user identity and activity). From OneDrive for Business to SharePoint to Exchange, it gives you information based on what you're working on and whom you're working with.
• Office 365 Groups
• Microsoft Kaizala Pro: A Microsoft mobile chat application for Android and iOS devices that has "enterprise-grade security" and uses a simple phone number user identity verification scheme. The Pro version of Kaizala adds things like group management, the ability to wipe group data from devices, advanced reporting and API access.
• Microsoft To-Do: A new, intelligent task management app that makes it easy to plan and manage your day.
• School Data Sync (Plan 1)
• On-premises Active Directory sync for SSO
• Mobile Device Management (MDM) for Office 365 (Also included with Exchange Online, OneDrive for Business, SharePoint Online, and Skype for Business standalone plans. Does not include the right to upgrade from Windows Home.)
• Microsoft Intune for Education: A cloud-based, mobile device management (MDM) service for schools. It helps your teachers and students stay productive on classroom devices, and keeps school data secure. With Intune for Education you can: Manage the desktop and mobile devices students use to access classroom data.
• Legal compliance & archiving needs for email - archiving, eDiscovery, mailbox hold
• Information protection – message encryption, rights management, data loss prevention for email and files
• Windows 10 Desktop Operating System Upgrade: Pro Education (Microsoft 365 Education A1 includes an upgrade to Windows 10 Pro Education for devices licensed with Windows 7 Professional, Windows 8/8.1 Pro, and Windows 10 Pro)
• Windows Defender Antivirus, Device Guard, Windows Information Protection, BitLocker and BitLocker To Go
• Windows AutoPilot, Windows Hello for Business
• Windows Analytics Device Health
• Microsoft Defender Application Guard
• Microsoft Defender Credential Guard
• Azure Active Directory Basic: Microsoft's cloud-based identity and access management service, which helps your employees sign in and access resources in: External resources, such as Microsoft Office 365, the Azure portal, and thousands of other SaaS applications.
• Azure Information Protection (AIP for Office 365): A cloud-based solution that helps an organization to classify and optionally, protect its documents and emails by applying labels. Labels can be applied automatically by administrators who define rules and conditions, manually by users, or a combination where users are given recommendations.