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newSchoolWorks.com › VoTechWorks › Agriculture, Environment & Public Service › Early Childhood Education (preschool teacher) › Practicum: Supervised Early Childhood Teaching › Lesson 12
AGR-EARL54-07 · Lesson 12 · 28 clock hours · field

Final Teaching Demonstration and Portfolio Defense Preparation

Objective. Students will independently plan, implement, and evaluate a complete 20-minute preschool learning experience and present their CDA Professional Portfolio in a structured verbal defense with an instructor panel.

⚠ Pending professional review

This lesson, its worked examples and its practice questions has not yet been verified by a licensed professional in the field or by a certification or approval body. It is a study draft and may contain errors. Do not use it as instructions for work on a job site or on live equipment. Always follow your instructor, your supervising professional, and current official references and regulations.

VoTechWorks program approval and accreditation are still in progress. Credentials are issued only by the certifying bodies named in each program, after their own exams.

What This Lesson Asks You to Do

This final practicum lesson pulls together every skill you have built across the program. You will plan and deliver a complete 20-minute preschool learning experience, defend your CDA Professional Portfolio before an instructor panel, and complete a written self-evaluation using the six CDA Competency Goals. Each piece is a rehearsal for the real CDA credentialing process and for your first day as a licensed preschool teacher.

Planning Your 20-Minute Learning Experience

A strong activity plan has a clear beginning, middle, and end. Start with a welcoming transition: a short song, fingerplay, or verbal cue that tells children it is time to gather and focus. This transition should take no more than two to three minutes and signal a shift from free choice to your structured activity.

The instruction phase is the heart of your lesson. Choose one concrete learning objective tied to a developmental domain — language, math, science, social-emotional, or creative arts. Keep the objective narrow enough that you can observe whether children met it in 20 minutes. Use open-ended questions, hands-on materials, and varied modalities (visual, auditory, movement) so all learners can participate.

Embed an assessment moment midway through or near the end. This does not mean a test. It means a deliberate pause where you observe, ask a targeted question, or use a quick checklist to gauge understanding. Write this moment into your plan so it is not left to chance.

Close with a closing transition: summarize what children did, connect it to what comes next in the day, and use a calm routine (cleanup song, hand signal) to move the group smoothly to the next activity.

Safety check: Before the session, inspect all materials. Remove small parts that pose a choking hazard for children under three. Check that scissors are child-safe. If water, sand, or food is involved, verify that no child has a relevant allergy or medical restriction and that surfaces are clean. Never leave children unsupervised, even for a moment. If a child shows distress or unsafe behavior, address it immediately before resuming instruction.

Understanding the Competency Observation Rubric

Your instructor will score your teaching using a formal competency observation rubric. A score of 80% or higher — with no unresolved safety indicators — is required to pass this component. An unresolved safety indicator means a hazard or unsafe situation arose and was not corrected during the session. Even one unresolved safety indicator can prevent you from passing, regardless of your overall score. Review the rubric categories before you teach so you know exactly what is being evaluated: environment setup, transitions, instruction quality, child engagement, guidance strategies, and your embedded assessment.

Preparing Your Portfolio Defense

The CDA Professional Portfolio is a collection of evidence that demonstrates your competence across the six CDA Competency Goal areas. For your defense, you will present three sections of your portfolio in a 10-minute structured verbal explanation before a two-person instructor panel.

Prepare a brief outline — not a script — for each section you will present. For each section, be ready to:

1. Name the Competency Goal the section addresses.

2. Describe one specific artifact or piece of evidence you included.

3. Explain what that artifact shows about your growth during the practicum.

After your prepared remarks, panelists will ask two impromptu follow-up questions. These questions may probe your reasoning, ask you to connect an artifact to a child outcome, or explore how you would handle a scenario differently. Respond honestly and specifically. Saying "I would go back and look at the child's developmental milestone checklist" is more credible than a vague answer.

Both panelists must judge you proficient on all three sections for this component to pass. Proficient means your explanation is clear, your evidence is specific, and your reflection shows genuine growth — not just that you completed the activity.

Completing the Final Self-Evaluation

The self-evaluation form asks you to rate your readiness in each of the six CDA Competency Goal areas on a 4-point scale and to identify one professional development goal for your externship. Rate yourself honestly. Evaluators are not looking for all 4s; they are looking for accurate self-awareness. A student who rates themselves a 2 in a Competency Goal area and explains a concrete plan to improve demonstrates stronger professional judgment than one who claims perfect readiness in every area.

The six CDA Competency Goal areas are: (1) Safe, (2) Healthy, (3) Learning Environment, (4) Children's Development, (5) Relationships with Families, and (6) Program Management and Professionalism.

Your one professional development goal should be specific, realistic, and connected to your self-ratings. For example: "During my externship I will practice using anecdotal observation notes daily to strengthen my documentation skills under Competency Goal 4."

Connecting to Your Credentials

Everything in this lesson mirrors the actual CDA credentialing process managed by the Council for Professional Recognition. Your portfolio, your ability to reflect on Competency Goals, and your demonstrated teaching skill are the same building blocks you will use when you apply for your CDA credential. Your State Childcare License will also require evidence of supervised hours and competency, so the habits you practice today — documenting safely, reflecting honestly, planning deliberately — are habits you will use for your entire career.

Key terms9

CDA Competency GoalsThe six broad areas of knowledge and skill defined by the Council for Professional Recognition that all Child Development Associates must demonstrate: Safe, Healthy, Learning Environment, Children's Development, Relationships with Families, and Program Management and Professionalism.
CDA Professional PortfolioA collection of evidence — statements, artifacts, observations, and reflections — assembled by a CDA candidate to document their competence across the six Competency Goal areas.
Welcoming TransitionA brief, predictable routine (such as a song or signal) used at the start of an activity to gather children's attention and signal a shift from one part of the day to another.
Embedded AssessmentA deliberate observation or question built into the flow of a lesson that allows the teacher to gauge children's understanding without interrupting the activity.
Competency Observation RubricA formal scoring tool used by an instructor to evaluate a student teacher's performance across defined competency areas during a supervised teaching demonstration.
Unresolved Safety IndicatorA hazard or unsafe condition that arose during a teaching observation and was not identified and corrected by the student teacher before the session ended; this alone can result in a failing score.
Portfolio DefenseA structured verbal presentation in which a student explains selected sections of their CDA Professional Portfolio to an evaluating panel and answers follow-up questions to demonstrate reflective competence.
Developmentally Appropriate Practice (DAP)Teaching strategies and expectations that are matched to the typical developmental range of the age group being served and to the individual needs and cultural backgrounds of the children in the group.
Closing TransitionA calm, predictable routine at the end of an activity that summarizes learning, signals cleanup, and guides children smoothly into the next part of their day.
In class: Plan and deliver a complete 20-minute learning activity for a small group (minimum four children or peers), including a welcoming transition, developmentally appropriate instruction, embedded assessment moment, and a closing transition; instructor uses the formal competency observation rubric. · Prepare and deliver a 10-minute verbal portfolio defense in which the student explains the content of three CDA portfolio sections, provides specific examples of their growth across the practicum, and answers two impromptu follow-up questions from the instructor panel. · Complete a final written self-evaluation using the CDA Competency Goals as a framework, rating personal readiness in each of the six competency areas on a 4-point scale and identifying one professional development goal for the externship.
Materials: Approved final activity plan and all materials, formal competency observation rubric, CDA Professional Portfolio (complete), defense presentation outline, self-evaluation form with 6 CDA Competency Goal areas
Check: Teaching observation rubric score of 80% or higher with no unresolved safety indicators; portfolio defense judged proficient by both panelists on at least 3 of 3 sections presented; self-evaluation submitted and complete.

Practice check8

Answer each question, then check it. Nothing is recorded; this is your own practice.

Safe Learning Environment / Health and Safety
1. A student teacher's competency observation rubric score is 85%, but during the session a child climbed on an unstable shelf and the student did not redirect the child or secure the shelf. How should this result be recorded?
CDA Portfolio and Professional Reflection
2. During the portfolio defense, a panelist asks an impromptu follow-up question about an artifact. Which response best demonstrates professional readiness?
Child Development and Assessment
3. Which of the following best describes the purpose of an embedded assessment moment in a preschool activity?
Professionalism and Self-Reflection
4. A student rates herself a 2 out of 4 on CDA Competency Goal 6 (Program Management and Professionalism) on the self-evaluation and writes a specific plan to improve documentation skills during her externship. An instructor reviewing this self-evaluation should view this as:
Safe Learning Environment / Health and Safety
5. Before delivering her final teaching demonstration with art materials, a student notices that one jar of glue has a broken lid exposing a sharp plastic edge. What is the correct action?
CDA Competency Goals and Credentialing
6. The six CDA Competency Goal areas are evaluated in the portfolio and self-evaluation. Which set lists all six correctly?
Curriculum Planning and Child Assessment
7. A student's 20-minute activity plan includes a welcoming transition, instruction with hands-on materials, and a closing transition, but no embedded assessment moment. Which revision would make the plan complete?
CDA Portfolio and Professional Reflection
8. For the portfolio defense to be judged proficient, which standard must be met?
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