if ( $user['grpID'] == 8 ) {
    $schname = $user['schname'];
    $schreg = $user['regID'];
    $stH = stPrep("INSERT INTO schools (name, region, status) VALUES (?,?,?)");
    $result = stExec($stH,array($schname,$schreg,0));
    $stH = stPrep("SELECT last_insert_rowid()");
    $row = $stH->fetch(PDO::FETCH_NUM);
    $stH = null;
    $newschool = $row[0];
    $newuser = $user['id'];
    $stH = stPrep("UPDATE users SET schoolID = ? WHERE ID = ?");
    $result = stExec($stH,array($newschool,$newuser));
}

$stH = stPrep("SELECT * FROM schools ORDER BY ID DESC LIMIT 1");
stExec($stH,null);
$row = $stH->fetch(PDO::FETCH_NUM);
$newschool = $row[0];
echo '<pre>'; var_dump($newschool); echo '</pre>';

string(2) "11"