Reconstructionist Judaism

Reconstructionist Judaism is a Jewish movement started by Rabbi Mordecai Kaplan. He thought Judaism was a changing civilization, not just a religion. This movement began inside Conservative Judaism in the late 1920s and 1940s and became its own group in 1955. It opened a rabbinical college in 1967 and is now one of the five major Jewish groups in America.

The movement has many beliefs. Jewish law, called Halakha, is not strict. It is used as a base to make Jewish practices that fit modern life. Reconstructionist Jews value new ideas and decide together about customs, learning from old sources.

In 2011, the movement published a guide to Jewish practice. It says that because Jewish law cannot be enforced today, people can choose how they follow it. The guide offers many ideas and lets individuals and communities decide what works best for them.

Origin

Reconstructionism was started by Rabbi Mordecai Kaplan and his son-in-law, Ira Eisenstein, in the late 1920s and 1940s. Kaplan created the Society for the Advancement of Judaism in 1922 to help rabbis think in new ways about Judaism. In 1935, Kaplan wrote a book called Judaism as a Civilization: Toward a Reconstruction of American Jewish Life, which began the Reconstructionist movement.

Even though Kaplan didn’t plan for Reconstructionism to become its own group, it eventually did. In 1967, leaders decided to start a special school to train rabbis in Reconstructionist beliefs. The school opened in Philadelphia in 1968, helping Reconstructionist Judaism grow. It became the fourth major Jewish movement in North America, along with Orthodox, Conservative, and Reform. The second major movement to start in North America was Humanistic Judaism, founded in 1963 by Sherwin Wine.

Theology

Rabbi Mordecai Kaplan thought that some old ideas and practices in Judaism did not match what we now know from science and history. He believed in God, but not as a person. Instead, he saw God as the natural forces that help people grow and feel good.

Kaplan’s ideas about God are different from many traditional Jewish beliefs. Some people in Reconstructionist Judaism agree with him, while others have their own views. The most important idea in Reconstructionist Judaism is that Judaism is always changing and growing, and that Jewish people should help shape its future.

Because of this, some Reconstructionist Jews today have different beliefs about God, the Jewish people, and religious rules than Kaplan did. They believe each generation can decide its own way of understanding Judaism.

Jewish law and tradition

Reconstructionist Judaism thinks that Jewish laws should change to fit today. They usually follow Jewish traditions unless there is a good reason not to. They see traditions as helpful ideas, not strict rules.

Reconstructionist Jews still enjoy many traditions. These include speaking Hebrew during prayers, studying the Torah, praying every day, wearing kippot and tallitot during prayer, using tefillin, and celebrating Jewish holidays. They may use special prayer books like Kol haneshamah, which mix Hebrew and English.

Beliefs

Reconstructionist Judaism is based on ideas from Rabbi Mordecai Kaplan. It sees Judaism as a way of life that changes over time, not just a set of fixed beliefs. In 1986, leaders made a statement called the "Platform on Reconstructionism" to share their main ideas. This statement is not a rule but shows what many people in this movement believe.

Key beliefs include seeing Judaism as something humans created that grows naturally. People in this movement support moving to Israel and believe decisions should be made by the whole community, not just religious leaders. They think the Torah is a product of Jewish history and culture, not inspired by a god. Instead of a traditional idea of God, they see God as a force that helps people live good lives. They also believe it is wrong to think any one group is specially chosen.

Reconstructionist Judaism treats everyone equally, no matter their gender or who they love. All roles are open to all people.

Jewish identity

Reconstructionist Judaism lets its rabbis decide if they want to lead services for interfaith marriages. Some groups say a child with one Jewish parent is Jewish if they are raised in the Jewish faith. This is different from older rules.

The place of people who are not Jewish in these groups is still being talked about. Different synagogues have different rules. Most try to be welcoming while keeping some boundaries. The Jewish Reconstructionist Federation gave ideas for how groups can decide these rules, but each group makes its own choices.

In 2015, the Reconstructionist Rabbinical College decided to accept students who are in relationships with people who are not Jewish. This made Reconstructionist Judaism the first Jewish group to allow this. The group felt this was important because many younger Jews find older rules about these relationships unfair.

In 2016, some rabbis started a group called Beit Kaplan to talk about these changes. By July 2025, this group had 92 members.

While Reconstructionist Judaism supports liberal Zionism, some of its members do not. For example, many rabbis in Jewish Voice for Peace were trained at the Reconstructionist Rabbinical College.

Organizations

There are over 100 synagogues and groups, called havurot, mostly in the United States and Canada, that are part of Reconstructionist Judaism. In 2012, the movement changed its structure. Now, a joint group made up of the Reconstructionist Rabbinical College and the congregational organization leads the movement.

In 2018, the movement’s name changed to Reconstructing Judaism. The movement has a youth group called No’ar Hadash and a summer camp named Camp Havaya located in South Sterling, Pennsylvania. The Reconstructionist Rabbinical Association is for rabbis who follow this tradition.

In 2016, a new group of rabbis called Beit Kaplan was formed. After events in 2023, the group grew and now focuses on supporting Israel and Jewish unity.

Relationship with other Jewish movements

Reconstructionist Judaism began as part of Conservative Judaism. Today, it has friendly ties with Reform Judaism. However, Orthodox Judaism does not see Reconstructionist Judaism as following Jewish law correctly. The Jewish Reconstructionist Federation is part of the World Union for Progressive Judaism. It gained observer status there in 1990.