<template name="registrantDetails">
    <fieldset>
        <legend>Registrant Details</legend>

        <!-- Basic personal information -->
        <!-- first name -->
        {{> afFormGroup name="first_name" id="first-name" }}

        <!-- last name -->
        {{> afFormGroup name="last_name" id="last-name" }}

        <!-- special needs -->
        {{> afFormGroup name="specialNeeds" id="special-needs"}}

        <!-- registrant email -->
        {{> afFormGroup name="registrantEmail" id="registrant-email" }}

        <!-- Age -->
        {{> afFormGroup name="age" id="age"}}

        <!-- grade in school -->
        {{> afFormGroup name="gradeInSchool" id="grade-in-school"}}
        <p class="help-block">Enter grade number, 'home schooled', 'kindergarten', etc.</p>

        <!-- first time attender -->
        {{> afFormGroup name="firstTimeAttender" id="first-time-attender"}}

        <!-- meeting -->
        {{> afFormGroup name="registrantMeeting" id="registrant-meeting" }}

        <!-- Registration type -->
        {{> afFormGroup name="registrationType" id="registration_type" options=registrationTypeOptions}}

    </fieldset>
</template>

<template name="registrantDetails">
    <fieldset>
        <legend>Registrant Details</legend>

        <!-- Basic personal information -->
        <!-- first name -->
        {{> afFormGroup name="first_name" id="first-name" }}

        <!-- last name -->
        {{> afFormGroup name="last_name" id="last-name" }}

        <!-- special needs -->
        {{> afFormGroup name="specialNeeds" id="special-needs"}}

        <!-- registrant email -->
        {{> afFormGroup name="registrantEmail" id="registrant-email" }}

        <!-- Age -->
        {{> afFormGroup name="age" id="age"}}

        <!-- grade in school -->
        <!-- show only if shool age group selected -->
        {{# if schoolAgeGroup }}
            {{> afFormGroup name="gradeInSchool" id="grade-in-school"}}
            <p class="help-block">Enter grade number, 'home schooled', 'kindergarten', etc.</p>
        {{/ if }}

        <!-- first time attender -->
        {{> afFormGroup name="firstTimeAttender" id="first-time-attender"}}

        <!-- meeting -->
        {{> afFormGroup name="registrantMeeting" id="registrant-meeting" }}

        <!-- Registration type -->
        {{> afFormGroup name="registrationType" id="registration_type" options=registrationTypeOptions}}

    </fieldset>
</template>

Add conditional display of grade in school field.
Add conditional display of grade in school field.
