Setup a VPN or some sort of tunnel that you connect to from your home and proxy TLS across it that terminates on your hardware. Your VPN provider can probably

Setup a VPN or some sort of tunnel that you connect to from your home and proxy TLS across it that terminates on your hardware. Your VPN provider can probably MITM that much like your ISP could but not without messing with the certificates that you're pinning. You shouldn't have to do that but given the circumstances it'll work. Whether you can be bothered is another discussion.