You can use WordPress shortcode to render college styles in your posts.

50/50 Columns

Copy and paste this code.

[row]
[column span="6"]Text on the right side.[end_column]
[column span="6"]Text on the left side.[end_column]
[end_row]

80/40 Columns

Copy and paste this code.

[row]
[column span="8"]Text on the right side.[end_column]
[column span="4"]Text on the left side.[end_column]
[end_row]

3 Columns

Copy and paste this code.

[row]
[column span="4"]One[end_column]
[column span="4"]Two[end_column]
[column span="4"]Three[end_column]
[end_row]