Someone

mysql> SELECT `team`,SUM(`for`) as `for`,SUM(`against`) as `against` ,SUM(`home`) as `home` FROM `element_fixture` WHERE `team` IN (SELECT `team_id` FROM
    -> `teams` WHERE `school_id`=2 and `sport_id`=1) AND `for` > -1 AND `against` > -1 GROUP BY `team` ORDER BY `team`;
+------+------+---------+------+
| team | for  | against | home |
+------+------+---------+------+
|    5 |    6 |       6 |    2 |
|    6 |    8 |      12 |    2 |
+------+------+---------+------+
2 rows in set (0.00 sec)

mysql>
mysql> SELECT `team`,COUNT(`fixture_id`) AS `won` FROM `element_fixture` WHERE `team` IN (SELECT `team_id` FROM `teams` WHERE `school_id`=2 and
    -> `sport_id`=1) AND `for` > `against` GROUP BY `team`;
+------+-----+
| team | won |
+------+-----+
|    5 |   2 |
+------+-----+
1 row in set (0.00 sec)

mysql>
mysql> SELECT `team`,COUNT(`fixture_id`) AS `lost` FROM `element_fixture` WHERE `team` IN (SELECT `team_id` FROM `teams` WHERE `school_id`=2 and
    -> `sport_id`=1) AND `for` < `against` GROUP BY `team`;
+------+------+
| team | lost |
+------+------+
|    5 |    1 |
|    6 |    2 |
+------+------+
2 rows in set (0.00 sec)

mysql>
mysql> SELECT `team`,COUNT(`fixture_id`) AS `draw` FROM `element_fixture` WHERE `team` IN (SELECT `team_id` FROM `teams` WHERE `school_id`=2 and
    -> `sport_id`=1) AND `for` = `against` GROUP BY `team`;
+------+------+
| team | draw |
+------+------+
|    6 |    1 |
+------+------+
1 row in set (0.00 sec)