There are many ways for junior high school students to practice calligraphy. Here are some suggestions:

1. Prepare tools: First, you need to prepare a brush, ink, rice paper and an inkstone. The choice of brush should be based on personal preference and writing style. Beginners can choose a brush because it is softer and easier to master.

2. Learn basic strokes: The basic strokes of calligraphy include horizontal, vertical, left, back, fold, etc. Beginners can learn these basic strokes by imitating the work of calligraphers or watching instructional videos.

3. Copy the works of famous calligraphers: Choose a calligrapher you like, such as Wang Xizhi, Yan Zhenqing, etc., and copy their works. This can help you better understand the structure and techniques of calligraphy.

4. Keep practicing: Calligraphy requires a long period of practice to become proficient. Set aside a certain amount of time every day to practice calligraphy. If you persist, your calligraphy skills will gradually improve.

5. Pay attention to posture and breathing: When practicing calligraphy, you must maintain the correct sitting posture and pen-holding posture. At the same time, pay attention to the rhythm of your breathing and coordinate your breathing with the movement of your strokes.

6. Learn calligraphy theory: Understanding the history, genres and techniques of calligraphy can help you better understand and appreciate calligraphy works. You can read some books about calligraphy or take calligraphy training classes.

7. Communication and sharing: Exchanging experiences and sharing your own works with other calligraphy enthusiasts can give you more motivation and inspiration in the process of learning and progress.

8. Patience and perseverance: Learning calligraphy requires patience and perseverance. Don’t give up because of temporary setbacks. As long as you practice consistently, your calligraphy skills will definitely improve.