I see both of the above post that what you're saying but we didn't receive any composite scores. The Total score is drawn on the same "National Percentile" graph as the Reading/LA/Math.

There is a asterik next to "Total Score" which explains as:
"Total Score consist of Reading, Language Arts and Mathematics"

It doesn't say word "Composite" and the strange thing it is drawn on "National Percentile" bar graph so I would assume the unit as "National Percentile"