You could lookup the grades by name then you could make a copy of the report sheet and change the name and all the grades will update.
[TABLE="class: grid, width: 500"]
<tbody>[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]
[TH][/TH]
[TH]A[/TH]
[TH]B[/TH]
[TH]C[/TH]
[TH]D[/TH]
[TH]E[/TH]
[TH]F[/TH]
[TH]G[/TH]
[TH]H[/TH]
[TH]I[/TH]
[TH]J[/TH]
[TH]K[/TH]
[TH]L[/TH]
[/TR]
[TR]
[TD="align: center"]1[/TD]
[TD]name[/TD]
[TD]grade1[/TD]
[TD]grade2[/TD]
[TD]grade3[/TD]
[TD]grade4[/TD]
[TD]grade5[/TD]
[TD]grade6[/TD]
[TD]grade7[/TD]
[TD]grade8[/TD]
[TD]grade9[/TD]
[TD]grade10[/TD]
[TD]grade11[/TD]
[/TR]
[TR]
[TD="align: center"]2[/TD]
[TD]Name1[/TD]
[TD]C[/TD]
[TD]D[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD="align: center"]3[/TD]
[TD]Name2[/TD]
[TD]B[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]B[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]A[/TD]
[TD]C[/TD]
[TD]B[/TD]
[TD]C[/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD="align: center"]4[/TD]
[TD]Name3[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD="align: center"]5[/TD]
[TD]Name4[/TD]
[TD]F[/TD]
[TD]F[/TD]
[TD]D[/TD]
[TD]C[/TD]
[TD]D[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD="align: center"]6[/TD]
[TD]Name5[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD="align: center"]7[/TD]
[TD]Name6[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[/TR]
[TR]
[TD="align: center"]8[/TD]
[TD]Name7[/TD]
[TD]A[/TD]
[TD]A[/TD]
[TD]A[/TD]
[TD]A[/TD]
[TD]A[/TD]
[TD]B[/TD]
[TD]A[/TD]
[TD]B[/TD]
[TD]A[/TD]
[TD]A[/TD]
[TD]B[/TD]
[/TR]
</tbody>[/TABLE]
Marks
[TABLE="class: grid, width: 500"]
<tbody>[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]
[TD][/TD]
[TD]A[/TD]
[TD]B[/TD]
[TD]C[/TD]
[TD]D[/TD]
[TD]E[/TD]
[TD]F[/TD]
[TD]G[/TD]
[TD]H[/TD]
[TD]I[/TD]
[TD]J[/TD]
[TD]K[/TD]
[TD]L[/TD]
[/TR]
[TR]
[TD="align: center"]1[/TD]
[TD]Report card[/TD]
[TD]grade1[/TD]
[TD]grade2[/TD]
[TD]grade3[/TD]
[TD]grade4[/TD]
[TD]grade5[/TD]
[TD]grade6[/TD]
[TD]grade7[/TD]
[TD]grade8[/TD]
[TD]grade9[/TD]
[TD]grade10[/TD]
[TD]grade11[/TD]
[/TR]
[TR]
[TD="align: center"]2[/TD]
[TD]Name1[/TD]
[TD]C[/TD]
[TD]D[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]C[/TD]
[/TR]
</tbody>[/TABLE]
Report (1)
[TABLE="width: 85%"]
<tbody>[TR]
[TD]
Worksheet Formulas[TABLE="class: grid, width: 100%"]
<tbody>[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]
[TD]Cell[/TD]
[TD="align: left"]Formula[/TD]
[/TR]
[TR]
[TH="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]B2[/TH]
[TD="align: left"]=INDEX(
Marks!$B$2:$L$8,MATCH($A$2,Marks!$A$2:$A$8,0),COLUMNS(($B2:B2)))[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[/TR]
</tbody>[/TABLE]
Copy the formula in B2 across
Then make a copy of Report (1) and change the name and all the grades will update.
[TABLE="class: grid, width: 500"]
<colgroup><col style="width: 25pxpx"><col><col><col><col><col><col><col><col><col><col><col><col></colgroup><tbody>[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]
[TD][/TD]
[TD]A[/TD]
[TD]B[/TD]
[TD]C[/TD]
[TD]D[/TD]
[TD]E[/TD]
[TD]F[/TD]
[TD]G[/TD]
[TD]H[/TD]
[TD]I[/TD]
[TD]J[/TD]
[TD]K[/TD]
[TD]L[/TD]
[/TR]
[TR]
[TD="align: center"]1[/TD]
[TD]Report card[/TD]
[TD]grade1[/TD]
[TD]grade2[/TD]
[TD]grade3[/TD]
[TD]grade4[/TD]
[TD]grade5[/TD]
[TD]grade6[/TD]
[TD]grade7[/TD]
[TD]grade8[/TD]
[TD]grade9[/TD]
[TD]grade10[/TD]
[TD]grade11[/TD]
[/TR]
[TR]
[TD="align: center"]2[/TD]
[TD]Name2[/TD]
[TD]B[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]B[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD]A[/TD]
[TD]C[/TD]
[TD]B[/TD]
[TD]C[/TD]
[TD]C[/TD]
[/TR]
</tbody>[/TABLE]
Report (2)