But if you can reduce it, then Potentially, it's a schwa because secondary stresses, when you reduce them, it just doesn't sound right if you know the word.
This is a five syllable word with stress on the fourth syllable. We have secondary stress on the second syllable, but in general, you can feel that as unstressed. Administration.
There is something about the rhythm of English, it's not always the case, but you probably won't find a lot of secondary stresses or a lot of pure vowels and a primary stress, right?
So, for example, if we take the second syllable, graa, that has the as in cat, which means it's a secondary stress, if we try to reduce it, say it to yourself with a schwa.