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About product and suppliers:
        Alibaba.com offers 7,340 school chalk products. About 15% of these are chalk, 1% are carbonate, and 1% are gymnastics. 

A wide variety of school chalk options are available to you, such as no, yes. You can also choose from white, color. As well as from free samples, paid samples. 

There are 7,340 school chalk suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of school chalk respectively. 

School chalk products are most popular in North America, Domestic Market, and South America. 

You can ensure product safety by selecting from certified suppliers, including 1,773 with ISO9001, 868 with Other, and 183 with ISO14001 certification.