Coverage by line
Premium dollars by benefit type (bundled lines overlap)
- Dental$145K
- Life$145K
- Long-term disability$145K
- Other$145K
Sponsor portfolioTH
ST. MARK'S SCHOOL OF SOUTHBOROUGH, INC.
EIN 04-2103623Educational ServicesLatest filing 2025
Plans
2
Retirement
1
$55.1M assets
Welfare
1
$145K premiums
Participants
666
25 MARLBOROUGH ROAD, P. 0. BOX 9105 - SOUTHBOROUGH, MA 017729105508-786-6000
Plans on this EIN
2 filingsBenefits portfolio analytics
1 plan / $145K premiums / 150 covered livesCarrier market share
Premium dollars by Schedule A carrier
100%top
- THE GUARDIAN LIFE INSURANCE COMPANY OF AMERICA100%
Broker market share
Schedule A broker compensation
100%top
- BAYSTATE BENEFIT SERVICES100%
Plan deep-dives
Per-plan teasers. The full analytics (fees vs peers, audit grade, trajectory, counterparties) live on each plan detail page.Retirement#003
ST. MARK'S SCHOOL RETIREMENT SAVINGS PLAN
403b
Assets$55.1M
Participants516
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Welfare#504
ST MARKS SCHOOL OF SOUTHBOROUGH, INC. GUARDIAN PLAN
Fully Insured - THE GUARDIAN LIFE INSURANCE COMPANY OF AMERICA
Premiums$145K
Covered lives150
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Retirement plans1
| Plan # | Name | Type | Assets | Participants | Latest year | |
|---|---|---|---|---|---|---|
| 003 | ST. MARK'S SCHOOL RETIREMENT SAVINGS PLAN | 403b | $55.1M | 516 | 2025 |
Welfare plans1
| Plan # | Name | Funding | Carrier | Premiums | Covered | Latest year | |
|---|---|---|---|---|---|---|---|
| 504 | ST MARKS SCHOOL OF SOUTHBOROUGH, INC. GUARDIAN PLAN | Fully Insured | THE GUARDIAN LIFE INSURANCE COMPANY OF AMERICA | $145K | 150 | 2025 |
Retirement plans
Welfare plans