What is the below average range of the Woodcock-Johnson III Tests of achievement?

Very Superior
Percentile Rank of 98 to 99.9% or Standard Score of 131 and above

Superior
Percentile Rank of 92 to 97% or Standard Score of 121 to 130

High Average
Percentile Rank of 76 to 91% or Standard Score of 111 to 120

Average
Percentile Rank of 25 to 75% or standard Score of 90 to 110

There are also three ranks below average.

What are the three ranks below average?