Study the given table and answer the question that follows.

The table shows the number of students studying in 6 different classes of 6 different schools.

Schools	V	VI	VII	VIII	IX	X
P	152	160	145	156	147	144
Q	148	166	150	155	157	143
R	161	152	140	145	143	165
S	159	142	149	140	142	168
T	147	144	158	163	154	150
U	150	160	162	160	160	140
Total	917	924	904	919	903	910

Which class has the minimum number of students from all schools together?