Here on Naruto Broken Bonds we use a word count for training jutsu. There is a different word count for each rank of jutsu.
Word Counts for Jutsu Ranks:
E Ranked - 300
D Ranked - 500
C Ranked - 800
B Ranked - 1100
A Ranked - 1400
S Ranked - 1700
Certain ranks of shinobi can train up to a certain rank of jutsu. Genin can train up to C ranked techniques by themselves. Chuunin can train up to B ranked Jutsu by themselves. Jounin can train up to S ranked techniques by themselves. However, a Jounin could train genin an S ranked technique. The requirements for a higher ranking shinobi to teach a low ranking shinobi to train higher ranking Jutsu is that the higher ranking shinobi must have trust with the student, therefore must either be on a squad with them or must have done five Social topics with.
Elements:
User's can start with 1 element at D ranked, two at C ranked and three at B ranked. The user can choose up to two basics and one merged OR three basics. A clan element will not count for one of the three, however a user can only have up to 2 clan elements.
First Element: Free or 1000 words. Must be genin/D ranked to get free.
Second Element: Free or 2500 words. Must be chuunin/C ranked to get free.
Third Element: 3000 words. Can not start with.
Clan Element(S): 3500 words. Every time a user obtains a new clan element they need to train with 3000 words for it.