Suggested pages / topics for Grade 9 Japanese students: 

• Hiragana

• Greetings

• Basic verb conjugation

• Adjectives

• Making sentences

• Question words

• Directions

Suggested pages / topics for Grade 10 and 11 Intro Japanese students:

• Katakana

• Differentiating between i and na adjectives

• Increasing vocabulary

• Te Form

• Present and Past tense

• Japanese for different purposes (Shopping, etc.)

Suggested pages / topics for Grade 11 Japanese students:

• N5 Kanji

• Verb Types 

• Te form applications

• Casual speech

• Connecting Sentences

• Paragraph writing

• Building Vocabulary

Suggested pages / topics for Grade 12 Japanese students:

• Reviewing Japanese 11 stuff

• N4 Kanji

• A variety of natural stories and materials

• More academic contexts

• Workbooks and self-directed study. 

• Additional grammar and vocabulary

Explore some of the websites out there (such as the NHK learning website) to build on various aspects of the Japanese language. 

The JLPT (日本語能力試験）is a standardized test which you can take to test your functional level of Japanese. N5 is easiest level for upper-beginners and N1 is about the same level as a university-level native speaker. 

This website made by the Japan Foundation has a variety of lessons starting with beginner level and including skits and videos, grammar and more. There's a few different levels. The one on the screen snip here is A2, but I've linked the base site which has more levels too.

This is a website / alternative to Duolingo which you can use to practice your Japanese. 

Vast website with many different lessons and an excellent grammar list. Click on the "self-study" part of the site to find links to all the materials.