Understanding Society User Support

Hello!

Could you please help me figure out my confusion about school attendance status. If I look at the questionnaire, the universe for school question are respondents who have never been interviewed before. Am I understanding this correctly that if some people who were still at school in wave 1 finished school in wave 2, they do not get their school status updated? Ever?

If I look at the first and second wave and tabulated the two school measures, this is what I see:

never went to/still          |                 never went to/still at school (wave 2)   
        at school (wave 1)   |   missing  inapplica  don't kno  write in   never wen  still at  |     Total
---------------------+------------------------------------------------------------------+----------
             missing         |         0          6          0          3          0          0 |         9 
             refusal         |         0          2          0          1          0          0 |         3 
          don't know         |         0         18          6         37          2          0 |        63 
        write in age         |         1     34,636         37      2,585         13         29 |    37,301 
never went to school         |         0        166          2         14         26          1 |       209 
     still at school         |         0        630          0         96          0         49 |       775 
-----------------------------+------------------------------------------------------------------+----------
               Total         |         1     35,458         45      2,736         41         79 |    38,360

And the whole column of inapplicable values in wave 2 is exactly the cases where

b_ff_ivlolw == 1 & b_ff_everint == 1

I am asking this because many other measures depend on the value of this variable, for example school leaving age or school codes. So, there is always a subset of people for whom this information could have been collected but wasn't because the school varibale has not been updated.
I understand this is not a big number of people (630 in the above table). I just need to know if my understanding is correct, so I can understand better the sample I am working with.

Thank you!