Sunday School
Bible classes held at church on Sunday — for children during or before the service, and for adults in age- or topic-based groups.
What they actually mean
“"Church classes on Sunday — kids in one room, grown-ups in another."”
Heard in the wild
“The kids go to Sunday school during the sermon.”
“I've been in the same adult Sunday school class for thirty years.”
The Lighter Side
For children: crafts, snacks, and the story of Noah told with felt animals. For adults: coffee and a very confident retired guy with strong opinions about Revelation.
The longer version
What it means
Sunday school is the church's teaching program, run on Sunday alongside worship. For children, it's an age-graded Bible class: preschoolers hear a story and do a craft, elementary kids memorize verses and sing, teens discuss. It may happen before the service (the traditional pattern) or during it, so parents can worship while kids are taught (often called "children's church"). For adults, Sunday school is a class — a Bible study, a topical series — often organized by age group ("the young couples' class," "the senior class") and, in many Baptist and Methodist churches, the primary place adults build friendships.
Why people say it
Christians are told to teach the faith to their children, and Sunday school is how the church helps parents do it. It's also where most Christians learned the Bible stories they know — Noah, David and Goliath, Daniel in the lions' den — and the songs they can still sing. Adult Sunday school exists because Christians never finish learning, and because a class of twenty is a better place to belong than a sanctuary of five hundred.
How to respond
If you're visiting with children, ask the greeter about kids' programs; you'll be shown a check-in desk, a safe and staffed room, and your kids will probably not want to leave. If you're invited to an adult class, it's a low-pressure Bible study with coffee; go once and see. If a Christian mentions a Sunday school teacher who shaped them, that's a common and sincere thing — the person who taught them at eight often mattered more than any pastor.
If you hear it in different churches
Baptist, Methodist, and many evangelical churches have Sunday school for all ages and treat adult classes as central. Presbyterians and Lutherans have children's Sunday school and adult education hours. Catholics call children's religious instruction "CCD" or "faith formation" and often hold it midweek; "Children's Liturgy of the Word" during Mass is the closest parallel. Anglicans say "Sunday school" for children. Non-denominational churches say "kids' ministry" and run it during the service. Orthodox have church school after Liturgy.
Where does “Sunday School” come from?
Deuteronomy 6 commands teaching children the faith; the synagogue school and the catechumenate carried it on. Robert Raikes, a newspaper publisher in Gloucester, England, started the first Sunday school in 1780 to teach reading and the Bible to working children on their only free day; within fifty years the movement had over a million pupils. The American Sunday School Union (1824) spread it across the frontier. As public schools took over literacy, Sunday school became purely religious instruction, and adult classes were added around 1900. The children's-church-during-the-service model dates to the 1970s–80s.
Good to know
Two things share the name. Children's Sunday school is the kids' Bible program — Bible stories, crafts, songs — either before the service or during it ("children's church"). Adult Sunday school is a Bible class, often organized by age or life stage, before or after the service; in Baptist and Methodist churches it's the main small-group structure. Many churches now say "kids' ministry" and "adult classes" instead, but everyone still knows what Sunday school means.
You might also hear
Vacation Bible School (VBS)
Church Life & ServicesA summer week of Bible camp for children, held at the church — mornings or evenings of songs, stories, crafts, games, and snacks, usually with an elaborate theme.
“"Church summer camp for kids, at the church, for a week. Free, usually."”
Youth Group
Youth Group & CampA church's program for teenagers, usually meeting midweek, mixing games, food, a short Bible talk, and time with friends.
“"The church's teen night."”
Catechism
Catholic & OrthodoxA summary of Christian teaching in question-and-answer form, used to instruct new believers and the young (catechism); and a person being instructed in preparation for baptism (catechumen).
“"Q&A flashcards for the faith — and the person who's studying them to join."”
Common questions
What happens in children's Sunday school?+
Bible stories, songs, crafts, snacks, and memory verses, adapted by age. Rooms are staffed by screened volunteers, and churches have check-in systems for safety.
Is there Sunday school for adults?+
In many churches, yes — a Bible class before or after the service, often organized by age or life stage. In Baptist and Methodist churches it's the main way adults connect.
What's "children's church"?+
Sunday school held during the main service rather than before it, so children are taught while parents worship.
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Written by Rev. Christopher D.F. Warrington, Ordained Minister, M.Div. · Updated September 2026
This entry was compiled with AI assistance and has not yet been reviewed by an ordained pastor.