The First 90 Days: Building a Church Assimilation Process That Meets People in Their Season

A new family visits three Sundays in a row. They fill out the card, get the welcome email, maybe a coffee mug. Ninety days later someone asks about them, and no one can say exactly when they stopped coming.

If you are searching for a church assimilation process, you are probably not in decline. You are in a growth season. New faces keep coming, the hallway can no longer hold every introduction, and the informal way you once folded people in has hit its ceiling. That is a good season to be in. It is also the season where the gap between attending and belonging starts to widen.

Why a Church Assimilation Process Built on Steps Loses People

Most assimilation systems track steps. Attended twice. Filled out the card. Came to the newcomers lunch. Joined a group. Every step is visible, so the steps become the process.

The person is harder to see. The process knows what they did. It does not know the season they walked in carrying. One family arrives worn out from serving hard at their last church and needs a year of simply being fed. Another arrives with gifts in hand, waiting for someone to ask. The same welcome path treats both the same, so it fits neither.

No one built it this way on purpose. There has never been a practical way to ask every new person what season they are in, so churches built the process around what they could see: attendance.

The First Assimilation Process Was a Brother

John 1 records the first person brought into the community around Jesus. Andrew found his brother Simon and brought him, and he could do it because he knew him. The bridge was personal knowledge, carried by one person to another.

That is still what folds people in. A name remembered. A question asked. An invitation that fits. Structure should carry that kind of knowing to every new person, because past a certain size, memory alone cannot.

Build the First 90 Days Around Three Questions

The first 90 days are when a new person quietly decides whether there is a place for them here. A church without a system for those days is trusting the hallway to catch everyone, and the hallway misses people every week.

So build the process around three questions instead of six steps:

  1. Who are they? Story and background, what they have carried and built before, and who is in the house with them.
  2. What season are they in? Some are new and finding their place. Some need rest before they need a role. Many are open to more if someone asks.
  3. What would fit that season? For one family, a dinner and no ask at all. For another, a specific invitation to serve in something that matches how God has already shaped them.

Ask early, listen, and let the next step match the person. Much of the standard advice on how to get church members involved starts at recruitment. Belonging starts earlier, with being known. If you have read The Difference Between Attenders and Members, this is the same shift applied to the newest people in the room: membership follows being seen.

Start by Seeing Them

The Martha Project begins with an inventory read: a simple way to ask every person, including the newest ones, who they are and what season they are in. The follow-through stays yours. Your people do the folding in. The read gives you what the hallway cannot.

The Season They're In, book cover
A free book for pastors

You see them. Do you know the season they're in right now?

Ask your whole church one question, with someone walking with each person who knows their name and their season. The Season They're In gives you four words (Stretched, Growing, Steady, In Transition) and the practice.

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