This query does not assign 1, 2, 3
SELECT abc.LastName, abc.SSN, DCount("ssn","tblsstudents","ssn<=" & [ssn]) Mod 3 AS C
FROM abc
GROUP BY abc.LastName, abc.SSN;
Results
Frank 555-55-5551 1
Sam 555-55-5552 2
Homeboy 555-55-5553 1
Would like the Mod num to be 1, 2, 3 and...