No. This Lenovo IdeaPad 3 15 Laptop is a traditional laptop. It can not be used as a tablet.

The Lenovo IdeaPad Duet 3i 10, model number 82AT00F2US, ships with 4GB Soldered DDR4-2400MHz RAM Memory soldered to systemboard, no slots and is not upgradeable. There is also a 128GB eMMC 5.1 solid state hard drive soldered to the motherboard and is not upgradeable. Storage space can be expanded by using the available MicroSD card slot, which supports FAT32 file up to 128GB.

That really will depend on the software the student will need to use. This Lenovo IdeaPad 3 15 Laptop, model number 81X800ECUS, ships with Windows 10 S-Mode 64-bit Operating System. Windows 10 S-Mode provides added security by only allowing APPs available ( and therefore certified by Microsoft) at the Microsoft Store. If you don't need the added security or you need to install APPs not available at the Microsoft Store, you can switch to standard Windows 10 Home 64-bit Operating System, at no additional cost. We recommend you check with the specific software publisher's web sites, of the software the student will need to use, for their compatibility with Windows 10 S-Mode 64-bit operating system and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration. If you choose to switch out of S-Mode for Windows 10 Home: Here is a link to instructions for switching from Windows 10 S-Mode to Windows 10 Home: https://support.microsoft.com/en-us/help/4456067/windows-10-switch-out-of-s-mode

No. This Lenovo IdeaCentre A340 22 All-In-One System, model number F0EA0088US ships with the entry-level, 4-Core Intel Pentium Silver J5040 Processor.