In the 1929-1930 Loudoun County Teachers Regulations, it is outlined that registers must be kept in proper shape and subject to inspection by school officials. The rules for dropping pupils from the roll are strict, with specific guidelines for absences and age requirements for attendance. School hours and holidays are detailed, as well as requirements for reports and teacher responsibilities. The authority and discipline of principals and teachers are emphasized, with procedures for suspension and expulsion of pupils. Promotion requirements and procedures for addressing deficiencies are also established. The regulations also address truancy, absences, and the prohibition of tobacco use on school grounds. Overall, the document provides a comprehensive guide for the operation of schools in Loudoun County during this time period, emphasizing the importance of promptness with reports and adherence to rules and regulations.