Doing section by section, will this be accurate on actual test?

I’ve done 3 SECTIONS of the ACT in the span of these 2 months (I studied SAT before that, got a 2040 which is meh). English 27 Math 32 Reading 36. Haven’t dont science yet. This was for the 1st ACT practice test on the red book. I am going to freshen up on some grammar stuff, but can I expect similar scores on Math and Reading if I were to take the test today? I know the red book is kinda old…