Aqui esta como cargo el formulario de ingreso de notas
$sql2 = "select * from notas as nt, asignacion as a, matricula as m, docente as do, alumno as no, idiomas as i, niveles as n, ciclos as c, secciones as s, horarios as h, periodo as p where a.id_asignacion='".$_GET["id_asignacion"]."' and a.id_docente = do.username and a.id_idioma = m.id_idioma and a.id_nivel = m.id_nivel and a.id_ciclo = m.id_ciclo and a.id_seccion = m.id_seccion and a.id_horario = m.id_horario and a.id_periodo = p.id_periodo and nt.id_alumno = no.id_alumno and m.id_alumno = no.username group by no.username order by no.apellido_paterno asc";
$contador = 0;
$numero = 1;
$res2 = mysql_query($sql2, $conn);
while($reg = mysql_fetch_array($res2)){
?>
<tr>
<td><input type="hidden" name="alumno[<?php echo $contador;?>]" value="<?php echo $reg['id_alumno'];?>"></td>
<td><input type="hidden" name="docente" value="<?php echo $reg['id_docente'];?>"></td>
<td><input type="hidden" name="periodo" value="<?php echo $reg['id_periodo'];?>"></td>
<td><input type="hidden" name="idioma" value="<?php echo $reg['id_idioma'];?>"></td>
<td><input type="hidden" name="nivel" value="<?php echo $reg['id_nivel'];?>"></td>
<td><input type="hidden" name="ciclo" value="<?php echo $reg['id_ciclo'];?>"></td>
<td><input type="hidden" name="seccion" value="<?php echo $reg['id_seccion'];?>"></td>
<td><input type="hidden" name="horario" value="<?php echo $reg['id_horario'];?>"></td>
</tr>
<tr align="center">
<td><?php echo $numero++.". ".$reg['apellido_paterno']." ".$reg['apellido_materno']." ".$reg['nombres'];?></td>
<td><input type="text" name="nota1[<?php echo $contador;?>]" value="<?php echo $reg['nota1'];?>" size="2"></td>
<td><input type="text" name="nota2[<?php echo $contador;?>]" value="<?php echo $reg['nota2'];?>" size="2"></td>
<td><input type="text" name="nota3[<?php echo $contador;?>]" value="<?php echo $reg['nota3'];?>" size="2"></td>
<td>||</td>
<td><input type="text" name="spk[<?php echo $contador;?>]" value="<?php echo $reg['speaking'];?>" size="2"></td>
<td><input type="text" name="mt[<?php echo $contador;?>]" value="<?php echo $reg['midterm'];?>" size="2"></td>
<td><input type="text" name="ft[<?php echo $contador;?>]" value="<?php echo $reg['final'];?>" size="2"></td>
</tr>
<?php
$contador++;
}
?>
espero mepuedan ayudar