The primary goal of language policy and language planning in education is to ensure that all students have equal access to education, regardless of their linguistic background.

The two main types of language policies in education are monolingual policies, which require the use of a single language in education, and bilingual policies, which allow for the use of two or more languages in education.

The three main types of language planning in education are status planning, which involves decisions about the status of different languages in education; corpus planning, which involves decisions about the development and standardization of languages for use in education; and acquisition planning, which involves decisions about how to teach languages in education.

The challenges of implementing language policy and language planning in education include lack of resources, resistance from stakeholders, political instability, and other factors.

The benefits of implementing language policy and language planning in education include improved educational outcomes for all students, increased social cohesion and national unity, preservation of linguistic diversity, and other benefits.

The role of teachers in implementing language policy and language planning in education includes teaching students the target language, creating a supportive learning environment for all students, advocating for language policy and language planning, and other roles.

The role of parents in implementing language policy and language planning in education includes supporting their children's language learning, advocating for language policy and language planning, participating in decision-making about language policy and language planning, and other roles.

The role of the government in implementing language policy and language planning in education includes developing and implementing language policy and language planning, providing funding for language policy and language planning, monitoring and evaluating the implementation of language policy and language planning, and other roles.

The role of international organizations in implementing language policy and language planning in education includes providing technical assistance to countries, promoting best practices in language policy and language planning, advocating for language rights, and other roles.

There are many examples of successful language policy and language planning in education around the world, including the bilingual education program in the United States, the language policy in Singapore, and the language policy in South Africa.

There are also many examples of unsuccessful language policy and language planning in education around the world, including the language policy in the Soviet Union, the language policy in Indonesia, and the language policy in Malaysia.

The future challenges of language policy and language planning in education include the increasing diversity of student populations, the globalization of education, the rise of new technologies, and other challenges.

The future opportunities of language policy and language planning in education include the potential for language policy and language planning to promote social justice, economic development, peace, and understanding.

The role of research in language policy and language planning in education includes informing language policy and language planning, evaluating the effectiveness of language policy and language planning, identifying best practices in language policy and language planning, and other roles.

Some of the key issues in language policy and language planning in education today include the debate over monolingualism vs. bilingualism, the role of indigenous languages in education, the impact of globalization on language policy and language planning, and other issues.