A nanny role with teenagers needs a clear account of where adult responsibility begins and where the young person makes their own decisions. Ask the family to describe both. “They are independent” is too broad to explain whether you are providing transport, helping organize commitments, remaining available at home or supervising a particular part of the day.

Your aim is a brief that you can explain to the teenager without inventing restrictions or promising freedoms. This guide offers questions for that discussion. It does not establish an age when a child may be left alone or decide what supervision an individual teenager needs.

Describe the support without making age the answer

Start with the work the family wants completed. Ask for examples of a day that goes smoothly and a situation in which your help is needed. Listen for concrete actions rather than labels such as mature, responsible or difficult.

O*NET's nanny profile includes parent communication, schedule support and transportation among occupational tasks. It does not supply this family's supervision agreement.

Ask which tasks the teenager already handles and which the parent expects you to support. A reminder about an agreed appointment differs from repeatedly checking whether a young person has started an assignment. If the posting says “keep them on track,” ask what you would actually do and how the family wants progress discussed.

Include the teenager's perspective at an appropriate meeting with the family. A candidate can ask how their views will be heard without making the teenager responsible for negotiating employment terms.

Sort ordinary decisions into three useful categories

Build a short decision brief from situations the family actually anticipates. Use three headings: already agreed, needs a parent decision, and outside my assignment. These are practical conversation labels, not legal categories.

For each situation, write the action involved and the boundary of the agreement. “Can make plans” is incomplete; “can choose which of the agreed home activities to do during this block” is more usable. Do not turn that illustrative wording into a rule for every household.

Try these prompts:

  • Which plans can the teenager change without asking me or a parent?
  • What information do I need to perform my responsibility, and when?
  • Which changes require an answer before the changed plan can proceed?
  • Who gives that answer if the usual parent is unavailable?
  • What is the agreed response when we cannot reach that person?

Ask the adults to resolve gaps before you rely on the brief. An unanswered message is not a new permission, and a broad family preference does not replace applicable safety requirements.

Agree what privacy looks like in daily work

Discuss practical privacy with the parent and teenager together where appropriate. Ask how you should announce yourself before entering an occupied room, which household spaces you need to access for work and how routine updates will be shared.

Be precise about information. You may need to know that an agreed plan has changed without needing the details of a private conversation that led to it. Avoid promising that anything a teenager tells you will remain secret. Explain the actual communication arrangement and make clear that safety concerns cannot be handled through a promise of silence.

Also clarify devices. Do not assume that helping with a schedule authorizes reading messages, accessing an account or monitoring location. If the proposed role includes such a request, obtain a clear explanation of its scope and appropriate authorization before assessing whether you can accept it.

Work through a change without becoming the negotiator

Fictional example: Nanny Ellis joins a household where teenager Rowan has an agreed afternoon study block at home. The parents have said Rowan may choose the order of tasks. They have not discussed replacing that block with a visit from a friend.

Rowan says, “I can organize my own afternoon, so Sam is coming over.” Ellis identifies the difference without judging Rowan's character: “You can choose the order of your tasks. Having a visitor is a different decision, and I don't have an agreement about it yet.”

Ellis contacts the designated parent with the specific question. While it remains unanswered, Ellis follows the existing agreed arrangement rather than treating the request as approved. The parent later explains the visitor process to Rowan and Ellis together.

The useful correction is to the brief: choosing task order and arranging visitors now appear as separate decisions. Ellis does not turn one misunderstanding into a general demand for more control or keep renegotiating the boundary privately with Rowan.

Assess whether you can do the role as described

Before accepting, try explaining the job in a few ordinary sentences: what you are responsible for, what the teenager decides, when a parent becomes involved and how everyone communicates a change. If your explanation depends on “I suppose,” return that point to the family.

Match your experience to those responsibilities. Describe a real example of supporting organization or communicating a boundary without claiming specialist counseling or teaching expertise you do not hold.

Ask for an early review of the arrangement using specific situations. The question is whether the agreed support is clear and workable. A review should not become a rating of the teenager's personality or an automatic expansion of your authority.

Sources

O*NET OnLine: Nannies, checked October 27, 2026. The decision brief and fictional example are original NAJ tools, not age-based supervision rules.