При обращению к классу возникает 91 ошибка

Const M As Integer = 100
Dim Student(M) As School
Dim F, N, S, T As Integer
_______________________________________
Private Sub CommandButton1_Click()
Dim Stroka, Stolbec As Integer
Stolbec = 1
For Stroka = 1 To 50
If Лист1.Cells(Stolbec, Stroka).Value = "Фамилия" Then
F = Stroka
End If
If Лист1.Cells(Stolbec, Stroka).Value = "Имя" Then
N = Stroka
End If
If Лист1.Cells(Stolbec, Stroka).Value = "Отчество" Then
S = Stroka
End If
If Лист1.Cells(Stolbec, Stroka).Value = "Телефон" Then
T = Stroka
End If
Next
For Stolbec = 0 To M
    If Лист1.Cells(F, Stolbec + 1).Value <> "" Then
        Student(Stolbec).Bool = True'----------------------------------- ошибка тут
        Student(Stolbec).Family = Лист1.Cells(F, Stolbec).Value'--------- ошибка тут
    Else: Student(Stolbec).Bool = False
    End If
Next
 
 
End Sub

Public Family, Name, Sname, Telepon As String
Public Bool As Boolean

Dim F  As Integer, N  As Integer, S  As Integer, T As Integer

Dim Student(M) As New School

Dim F  As Integer, N  As Integer, S  As Integer, T As Integer

Type School
    Family As String
    Name As String
    Sname As String
    Telepon As String
    Bool As Boolean
End Type

Dim F  As Integer, N  As Integer, S  As Integer, T As Integer