JSON Schema (simple form):

```json
{
  "id": "string",            // unique id, e.g. 'htac-001'
  "firstName": "string",
  "lastName": "string",
  "preferredName": "string",
  "dateOfBirth": "YYYY-MM-DD",
  "section": "string",       // e.g. "11-HTAC-STEM-1"
  "strand": "STEM|ABM",
  "email": "string",
  "phone": "string",         // international or local e.g. "+63-912-345-6789" or "09123456789"
  "photoUrl": "string|null", // optional
  "socialLinks": {
    "facebook": "string|null",
    "instagram": "string|null",
    "linkedin": "string|null",
    "other": "string|null"
  },
  "showPhotoPublic": "boolean",
  "showSocialPublic": "boolean",
  "notes": "string",         // teacher-only field
  "consentTimestamp": "YYYY-MM-DDTHH:MM:SSZ" // when the student/guardian gave consent
}
```

Sample JSON record:

```json
{
  "id": "htac-001",
  "firstName": "Martha",
  "lastName": "Dela Cruz",
  "preferredName": "Smart",
  "dateOfBirth": "2007-06-05",
  "section": "11-HTAC-STEM-1",
  "strand": "STEM",
  "email": "martha.delacruz@school.edu.ph",
  "phone": "+63-912-345-6789",
  "photoUrl": "",
  "socialLinks": {"facebook":"https://facebook.com/martha","instagram":"","linkedin":""},
  "showPhotoPublic": true,
  "showSocialPublic": false,
  "notes": "Allergies: none",
  "consentTimestamp": "2025-10-08T14:30:00Z"
}
```

CSV header for import/export:

```
id,firstName,lastName,preferredName,dateOfBirth,section,strand,email,phone,photoUrl,facebook,instagram,linkedin,showPhotoPublic,showSocialPublic,notes,consentTimestamp
```