What problems are caused by blogging about the education of a class?

I am a course TA and I instruct a class of about 20 undergrads. I'm planning to make a public blog about education. I think there could be some potential problems with this. For example, if the students in my class find it, and read "a student is struggling with Y topic", or "I think this student is having problems".

Potentially risky content:

• Class plans and preparation


• Reflections on each class, including comments on the students


• Discussions of course content, and suggested improvements to prescribed classwork

Are there any potential problems I would encounter, given the material I am blogging about?

Possible solutions:

• Anonymising my own name


• Anonymising all the students' names


• Restricting access to course staff (lecturer, TAs)

Do I require any of these solutions?