Export OU Users to CSV with random passwords

Import-Module activedirectory
# Create CSV file of users and passwords reset
echo "User,Password" | Out-File -FilePath  "C:\students.csv" -Append
# Get list of users from an OU
$Users = Get-ADUser -Filter * -Properties * -SearchBase "ou=students,ou=Schools,dc=contoso,dc=local"
foreach ($user in $Users) {
    $username = $user.SAMACCOUNTNAME
    $keylist = @("a","A","b","B","c","C","d","D","f","F","g","G","M","P","q","Q","R","T","V","y","Y","z","Z","2","3","4","6","8")
    $pword = ""

    # Generate a simple password
    1..6 | foreach $_ {
        $x = Get-Random -Minimum 0 -Maximum 30
        $pword += $keylist[$x]
    }

    # Output samaccount and password to file.
    echo "$username, $pword" | Out-File -FilePath "C:\students.csv" -Append

#Apply passwords from csv file to user accounts in AD
#    "$File = import-csv -Path C:\students.csv"
#foreach ($line in $File) {
#$name = $line.Name
#$pass = $line.Password

$secstring = ConvertTo-SecureString -String $pword -AsPlainText -Force
Set-ADAccountPassword -Identity $username -NewPassword $secstring -Reset
}