So this is where an application deadline tracker for masters programs earns its keep. Eight to twelve programs, some with two or three review rounds each. That is no longer a spreadsheet problem. It is a systems problem. Whatever you use should show the next date across your whole list at a glance, not buried in row 47 of a tab you stopped opening in November.
Then the document pile. Transcripts, SOP drafts, three letters per school, test scores, a resume tweaked per program. A mobile app to track application documents keeps every file's status on the phone already in your hand. Sent, received, confirmed, missing. Ten minutes a week beats a panicked December weekend. Every time.
Before you submit anything, run it through a grad school application completeness checker SaaS. A second pair of eyes per program. It catches the transcript you uploaded to seven portals and forgot on the eighth. I have watched that exact mistake happen.
My honest advice: treat the earliest deadline on your list as the deadline for all of them. Get everything submittable by that date, then release on schedule. It kills the genre of panic where you are rewriting an SOP at 2 a.m. because two portals close on the same Friday.
Watch the trap deadlines too. Some CS programs set a separate, earlier date for funding consideration. Miss it and you can still get in, just with no assistantship. Expensive detail to learn after the fact.
The database at applicationreview.fyi tracks fall 2027 MS computer science application deadlines by university, side by side, and graduate school application deadlines by university more broadly. Get your application audited before you send anything off.