Educational Institute Letterhead Format in Swiss Design

Print-ready letterhead template for educational institute letterhead format (non-profit). Company brief: educational institute letterhead format. Style: swiss design, black + warm white palette. Header band with placeholder logo + company name. Footer strip with placeholder address, phone, email, website, registration number. Watermark: subtle logo mark. Generous text area for body copy. A4 portrait, no watermarks (other than chosen design). No real registration numbers or addresses — use clean placeholders. No fake government seals. Target search intent (rendered visually, no on-image text): "educational institute letterhead format" (en).