H-1B sponsorship profile: Keystone International Education Service. Across U.S. Department of Labor LCA disclosures, Keystone International Education Service filed 1 Labor Condition Applications covering 1 H-1B worker positions between fiscal year 2025 and fiscal year 2025. The employer’s DOL certification rate sits at 100% (1 certified of 1 filed), a useful proxy for how cleanly their prevailing-wage attestations pass the Labor Department’s preliminary review before USCIS adjudication.

Compensation spread. Offered wages on Keystone International Education Service’s H-1B petitions range from $62,400 at the low end to $62,400 at the high end, with a petition-weighted average of $62,400. That range reflects the mix of occupations the company sponsors, led by Music Teacher (1 petitions at $62,400 avg). H-1B salaries reported on LCAs must meet or exceed the DOL prevailing wage for the role and worksite, so the spread also tracks wage-level geography and seniority.

Geographic footprint. Keystone International Education Service is headquartered in San Mateo, CA under NAICS code 624410, and places H-1B workers across 1 state, most heavily in CA. Combined, these signals give a granular view of how one employer uses the H-1B program, volume, approval cleanliness, wage posture, and where the jobs actually sit on the map.

Where Keystone International Education Service ranks. By H-1B petition volume, Keystone International Education Service is #72,571 of 119,880 employers nationally and #13,623 of 22,893 employers headquartered in CA. Both ranks are computed live from the same underlying petition counts, not a separate estimate.