Use of the word "rather"
Solution 1:
The issue is that no conjunction or punctuation is used to distinguish the two independent clauses:
We will not be learning these subjects daily | rather they will be learned weekly as follows:
There are two independent clauses, and rather modifies the second clause:
Clause 1: We will not be learning these subjects daily
Clause 2: Rather they will be learned weekly as follows
I suggest strategies that either separate or link independent clauses. Either start a new sentence with "rather" or use a conjunction with a comma to link the two clauses:
We will not be learning these subjects daily. Rather, they will be learned weekly as follows:
We will not be learning these subjects daily, but rather they will be learned weekly as follows:
The teacher could also use a semicolon if they think the two clauses are closely related:
We will not be learning these subjects daily; rather, they will be learned weekly as follows: