A: No. A single-user PDF license is for one person or one device. Printing 30 copies violates copyright. Your school must purchase a "Teacher’s License" or a "Photocopiable License."
The search query suggests someone is looking for a of the “new” edition of the Double Click 1 Student Book. However, most free copies floating around on file-sharing sites, forums, or Telegram channels are unauthorized and violate the publisher’s copyright.