From what you've described, I believe you can use:
=TEXT(DATE(YEAR(TODAY()),MONTH(TODAY())+MOD(DATEDI F(TODAY(),DATE(YEAR(TODAY())+1,MONTH(DATEVALUE("1-"&$G23&"-"&YEAR(TODAY())))+1,0),"ym"),(12/2^($D23-1))),1),"MMM")
in I23 (assuming that's where the expected results are to go), then copied down as far as needed.
FWIW, with the above formula, you don't really need the group tables (they aren't referenced). I'll leave it to you to figure out how the formula calculates the review intervals for each group. However, if you want to output the review schedule for each student, you would need to keep the group tables and use:
=OFFSET($A$1,MATCH($G23,$B$5:$B$16,0)+3,MATCH("Gro up " &$D23,$B$2:$O$2,0)+2)
in, say, J23, then copied down as far as needed.
PS: The board software puts spaces in the first formula where there shouldn't be any. In this case, 'DATEFI F' is 'DATEDIF'.
__________________
Cheers,
Paul Edstein
[Fmr MS MVP - Word]
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