Nowadays, diversity in education and upbringing is associated with such phenomena as language, religion, culture, gender. At the state level, laws on the above-mentioned phenomena are adopted and protected, and after being approved, they enter into circulation in educational programs, school standards.

The study of the history of world pedagogical thought shows that there have been examples of diversity in education since the 15th century, for example, after the spread of Protestantism in Europe, great attention was paid to the development of the national language and culture. The catechism was translated into different languages: French, German, Italian. Luther was a leader of that movement. Another example of diversity is making education accessible to all social strata of society. There was no discrimination. Later, the idea that girls and boys should study together in the same class began to circulate. Parallel to all this was the separation of the secular and the spiritual. Schools fall out of Church patronage, but communication with religion continues to be emphasized by state administrators.

Given that the phenomena of education and training have undergone changes over time due to continuous reforms of economy, politics, religion, language, culture, human history, there is a need to review and reevaluate all the words and concepts that form a new worldview. One such concept is the word diversity.

Today, education theorists, theologians, philosophers, education policymakers talk about having a diverse, inclusive society. A society where everyone is welcome. Various approaches are drawn up by experts, which will contribute to forming such a society. Diversity is a cross-sectoral phenomenon. That is, only in the context of legal, legislative, sociological, linguistic, historical discourses can one "build" a healthy, diverse, inclusive society. Therefore, results can be achieved as a result of the dialogue of specialists in the above-mentioned fields.

It is interesting to study the history of the word diversity in the context of education and upbringing, to see the interpretation of the word in different periods. Accordingly, to compare past and present perceptions of the concept of diversity, analyze them, understand what changes the word has undergone, reflect on the past and present and "build" the ideal diverse environment that will be most suitable for education and upbringing.

It is noteworthy that the present is based on the past, and the future is a combination of both. Based on this, it is necessary to understand what kind of content was, is and will be in the future under the concept of diversity.

Within the framework of our study, we paid attention to the interpretation of the word in the context of classic languages, and compared it with each other.

We tried to find interpretations of language, religion, especially in Christianity, the word diversity in the works of foreign and Armenian authors. Analyze past models of diversity, their features, find out their applicability in the present.

It is noteworthy that the present is based on the past, and the future is a combination of both. Based on this, it is necessary to understand what kind of content was, is and will be in the future under the concept of diversity.

Summarizing the above examples, it can be said that in the past diversity, although not fixed by law, led to the creation and development of the national language and culture, organizing joint teaching with different genders. Today, the importance of diversity is fixed and emphasized by laws, but in practice we are witnessing the weakening of national languages and cultures, the overestimation or underestimation of genders.

How can past approaches to diversity be valued and reformulated in today's education system? 

Linguistic, historical, religious foundations are the basis of the research methodology of the topic. Appreciating the role and significance of the classical languages - Latin, Greek, Greek - in world culture, in our study we compared the explanations of the word diversity in three languages, analyzed the history of the word's applicability in education and upbringing, identified the most common examples of diversity, presented the creation and overcoming of these examples the process. In the historical context, we highlighted educators who had a great role in the history of world pedagogical thought: Luther, Calvin, Philip Melanchthon, A. Comensky, Herbart et al.'s ideas on diversity. We highlighted the ideas of Armenian pedagogues and religious figures who worked in the same period, such as Nerses Shnoralu, Grigor Tatevatsi, Mkhitar Sebastasi, regarding the issue under discussion. From a religious point of view, we have analyzed the Armenian catechisms, which were written in the Armenian language, for people belonging to different denominations. We have brought out the concepts through which various religious phenomena are explained. The creation and analysis of legal databases are of great importance for the research methodology under consideration. We used dictionaries to compare the word diversity in classical languages. We have compiled a schedule of Armenian and foreign pedagogues, we have highlighted their pedagogical works, which talk about diversity. Religion textbooks were an important source for the study. The religious manifestations of diversity were presented on the example of Armenian catechisms

Education and upbringing are reciprocal processes. As a result of the economy, politics, latest technologies, language, culture, reforms, there is a need to review the theories, concepts, and approaches of education and classroom management. Diversity issues are currently being discussed. Experts in the field are organizing discussions about what kind of educational model to choose, where all students will be in a diverse, inclusive environment. It is interesting to study past experience. There have been examples of diversity in theory and practice in the past. Past experience proves that there was a period when diversity in the field of education led to the spread of national language, literature, religion, cooperation and harmony of male and female sexes, separation of Church and State and valorization of religion. As a result of the various processes taking place in the world today, the educational systems of countries with national culture, language, and religion need to review, redefine the concept of diversity, and create a new educational model. The basis of the new educational model should be such linguistic, religious, and cultural foundations that will promote the creation of a diverse, inclusive environment in schools. At the basis of the creation of that new model, we see the study of classical languages, the introduction of these languages into the educational system, the use of the latest technologies, the revaluation and reinterpretation of national culture and religion.

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