Am I doing enough for college?
A question with no scoreboard behind it. What 'enough' actually means, why the comparison you are making is unreliable, and how to answer it for yourself.
The short answer
There is no threshold, which is exactly why the question feels unanswerable. Nobody is holding a number you are failing to reach. What colleges read is a coherent picture: grades that reflect the courses available to you, a couple of things you have stuck with, and evidence you have been deliberate. If you can describe what you are doing and why in two sentences, you are doing enough. If you cannot, the problem is usually direction rather than volume.
Why the question has no answer in the form you asked it
"Enough" implies a bar, and there is not one. Admissions readers are comparing applications to each other within a specific year and a specific applicant pool, not against a checklist — which means the honest answer to "is this enough" is always "for what, and compared to whom".
That sounds evasive and it is not. It is the reason a checklist you find online cannot help you: it was written for an average student who does not exist, at a school that is not yours, with options you may not have.
The comparison you are making is not reliable
Most people asking this are comparing themselves to a very small number of visible peers — the loudest students at their school, and whoever is posting about it. That group is not representative of anything, and the picture it produces is systematically distorted upward.
It is also usually incomplete. You are comparing your own private uncertainty to somebody else's edited summary, which is not a comparison at all.
A better question to ask instead
Ask: what am I doing, and why? If you can answer in two sentences — "I am taking the hardest maths available and doing debate, because I want to study economics and both are relevant" — you have direction, and direction is the thing that is actually hard to acquire.
If the answer is a list with no reason attached, that is the signal. Not that you need more, but that some of what you are doing is not going anywhere, and dropping it would free the hours that make the rest better.
What actually moves the picture
Doing fewer things for longer. Two commitments held for three years say something about you that eight commitments held for one term cannot.
Taking the harder course when you can carry it. Course rigour relative to what your school offers is read carefully, and "what was available to you" is genuinely part of that judgement.
And writing things down as they happen. Not because a record impresses anyone, but because the version of you applying in two years will not remember what the version of you now actually did — and a well-supported application is mostly a well-remembered one.