Comparing the Last Level in a Hierarchy with Values from Above Levels

Hi SamChan ,

Depending on the information you have provided, you can follow these steps below:

1.Add new table with out relationship.

Table 2 = DISTINCT('Table'[Class])

2.Add new measures.

Flag = 
VAR _selectedtable =
    ALLSELECTED ( 'Table 2'[Class] )
VAR _classtable =
    CALCULATETABLE ( VALUES ( 'Table'[Class] ), 'Table'[Class] IN _selectedtable )
VAR _leveltable =
    CALCULATETABLE ( VALUES ( 'Table'[Level] ), 'Table'[Class] IN _selectedtable )
VAR _schooltable =
    CALCULATETABLE ( VALUES ( 'Table'[School] ), 'Table'[Class] IN _selectedtable )
VAR _regiontable =
    CALCULATETABLE ( VALUES ( 'Table'[Region] ), 'Table'[Class] IN _selectedtable )
VAR _class =
    SELECTEDVALUE ( 'Table'[Class] )
VAR _level =
    SELECTEDVALUE ( 'Table'[Level] )
VAR _school =
    SELECTEDVALUE ( 'Table'[School] )
VAR _region =
    SELECTEDVALUE ( 'Table'[Region] )
RETURN
    IF (
        _class
            IN _classtable
                && ( _level
                IN _leveltable
                    || _school
                    IN _schooltable
                        || _region IN _regiontable ),
        1
    )

Result = 
VAR __level1 =
    ISINSCOPE ( 'Table'[Class] )
VAR __level2 =
    ISINSCOPE ( 'Table'[Level] )
VAR __level3 =
    ISINSCOPE ( 'Table'[School] )
VAR __level4 =
    ISINSCOPE ( 'Table'[Region] )
VAR __level1_code = [TotalStudents]
VAR __level2_code =
    CALCULATE ( [TotalStudents], ALL ( 'Table'[Class], 'Table'[Year] ) )
VAR __level3_code =
    CALCULATE (
        [TotalStudents],
        ALL ( 'Table'[Class], 'Table'[Level], 'Table'[Year] )
    )
VAR __level4_code =
    CALCULATE (
        [TotalStudents],
        ALL ( 'Table'[Class], 'Table'[Level], 'Table'[School], 'Table'[Year] )
    )
VAR __result =
    SWITCH (
        TRUE (),
        __level1, __level1_code,
        __level2, __level2_code,
        __level3, __level3_code,
        __level4, __level4_code
    )
RETURN
    __result

Final output:

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Best Regards,

Ada Wang

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