The Pioneer Organisation was the children's organisation of the Free German Youth (Freie Deutsche Jugend, FDJ). From its founding in December 1948 until the end of the GDR, it was the only state-legitimised children's organisation in the GDR. Although membership was formally voluntary, it was regarded as mandatory by the state, which is also reflected in the rapid growth of membership numbers: At the time of its founding, already six percent of all school-age children were members; by the first anniversary of its founding, this number had risen to 30 percent (Kaiser, 2013, p. 75), and by 1959, the Pioneer Organisation included 84.3 percent of all children between the ages of 6 and 14. According to official figures, by the end of the GDR, almost all pupils of this age (99 percent) were members of the Pioneer Organisation (Kaiser, 2022, p. 190). Following Kaiser's interpretation, from the outset the pioneer organisation had the political and ideological goal of educating children to become loyal citizens in the sense of communist morality (Kaiser, 2022, p. 192). The ideological significance of the pioneer organisation is also reflected in the epithet "Ernst Thälmann," added in 1952. Thälmann, a former chairman of the communist party of Germany (Kommunistische Partei Deutschlands, KPD) and a victim of national socialism, acted as a leading figure of communist education in the GDR and was a central figure within the anti-fascist founding myth (see, among others, Börrnert, 2003).

Every year on December 13, first-graders were welcomed into the Young Pioneers and familiarised with its respective commandments, symbols, and greetings. The 10 commandments of Young Pioneers („Die 10 Gebote der Jungpioniere") contained basic rules of conduct for younger children. They included, for example, love for the GDR and one's parents, friendship with Soviet children, diligent studying, helping with work, proudly wearing the blue neckerchief, as well as sports and cleanliness (cf. Ernst Thälmann Pioneer Organisation, 1983). In the fourth grade, Young Pioneers became Thälmann Pioneers. The 10 laws of Thälmann Pioneers („Die 10 Gesetze der Thälmannpioniere") formulated in detail the children's obligations towards the socialist state, the working class, and international solidarity. Specifically, the Pioneers were to wear their red neckerchief as a symbol of their affiliation with the SED, cultivate their friendship with the Soviet Union, study and work diligently, and engage in technical and cultural training to later become good FDJ members (cf. FDJ, 1975). With the formal youth inauguration ceremony (Jugendweihe) at the age of 14, adolescents were then accepted into the FDJ.

For members of the Pioneers, school and extracurricular activities overlapped and were mutually dependent (Tenorth, Kudella, Paetz, 1996, p. 99). Extracurricular activities were largely organised directly at school, and matters related to the Pioneer Organisation were addressed in class (Kaiser, 2013, p. 78 f.). In schools, Pioneers were organised, for example, into learning groups (Lernaktiven), later learning brigades (Lernbrigaden), to support underperforming students, complete homework and study together (Ansorg, 1997, p. 74). Until the 1950s, flag ceremonies (Fahnenappelle) were held weekly, and later on they were held on specific occasions, such as the start of the school year, the distribution of report cards, the opening of international children's day, or to commemorate communists. In addition, Pioneer members met three to four times a month in circles (Zirkel) at school or at the Pioneer house (Pionierhaus) to discuss books, do crafts, play sports, learn new songs or games, or discuss the behaviour of individual children. Pioneer afternoons (Pioniernachmittage) included leisure activities, such as trips to the theatre or the swimming pool (Kaiser, 2013, p. 79). At the general meetings, issues related to group life were discussed, and information, including its political and ideological interpretations, was disseminated. The Pioneer friendship (Pionierfreundschaft), to which all Pioneers of a school belonged, met approximately once every two months to celebrate, for example, Pioneer festivals, Pioneer birthdays, international children's day, and carnival, to organise the festival of learning (Fest des Lernens), to hold olympics, or discuss political issues (ibid., pp. 89–90). From 1952 onwards, large Pioneer meetings were organised centrally every few years. In addition to demonstrations, rallies and appeals, sporting events, cultural competitions and folk festivals were held at these meetings (ibid., p. 81).

Another key area of the Pioneers’ work was to offer children opportunities for recreation and relaxation within the framework of holiday care – which, among other things, served socialist education – whether in the form of holidays in central Pioneer camps, holiday hikes, or local holiday activities, including within the school (ibid., p. 90; Ansorg, 1997, pp. 113 f.). In addition to offering support for academic performance and leisure activities, from the founding of the Pioneer Organisation onward, Pioneers were also encouraged to perform so-called socially useful activities (gesellschaftlich nützliche Tätigkeiten) such as work placements, Subbotniks, or Timurhilfen (Tenorth, Kudella, Paetz, 1996, p. 140). Sponsor brigades (Patenbrigaden) were sought out in companies and work-oriented assignments in industry and agriculture were organised (Ansorg, 1997, p. 76).