The maximum ASVAB score is 99. For enlistment into the Army, you must get a minimum ASVAB score of 31.
The ASVAB test consists of several different subject areas, or subtests. They are:
general science (GS)
arithmetic reasoning (AR)
word knowledge (WK)
paragraph comprehension (PC)
mathematics knowledge (MK)
electronics information (EI)
auto and shop information (AS)
mechanical comprehension (MC)
assembling objects (AO)
CL -- Clerical: VE+AR+MK
CO -- Combat: AR+CS+AS+MC
EL -- Electronics: GS+AR+MK+EI
FA -- Field artillery: AR+CS+MK+MC
GM -- General maintenance: GS+AS+MK+EI
GT -- General technical: VE+AR
MM -- Mechanical maintenance: NO+AS+MC+EI
OF -- Operators and food: VE+NO+AS+MC
SC -- Surveillance and communications: VE+AR+AS+MC
ST -- Skilled technical: GS+VE+MK+MC