Coverage by line
Premium dollars by benefit type (bundled lines overlap)
- Dental$145K
- Life$145K
- Long-term disability$145K
- Other$145K
Filings through .
Top hat
St. Mark's School of Southborough, Inc.
EIN 04-2103623Educational ServicesLatest filing 2025
Plans
2
Retirement
1
$55.1M assets
Health & Benefits
1
$145K premiums
Participants
666
25 MARLBOROUGH ROAD, P. 0. BOX 9105 - SOUTHBOROUGH, MA 017729105508-786-6000
Plans on this EIN
2 filingsHealth & Benefits portfolio - carriers, brokers and premium across this company's health and benefits plan.
Benefits portfolio analytics
1 plan / $145K premiums / 150 covered lives
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Plan summaries
Each card links to its plan page. The plan page shows fees vs peers, audit grade, history and counterparties.
Retirement#003
ST. MARK'S SCHOOL RETIREMENT SAVINGS PLAN
403(b)
Assets$55.1M
Participants516
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Health & Benefits#504
ST MARKS SCHOOL OF SOUTHBOROUGH, INC. GUARDIAN PLAN
Fully insured - THE GUARDIAN LIFE INSURANCE COMPANY OF AMERICA
Premiums$145K
Covered lives150
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Retirement plans
1 plan on this EIN
| Plan | Name | Type | Assets | Participants | Latest year |
|---|---|---|---|---|---|
| #003 | ST. MARK'S SCHOOL RETIREMENT SAVINGS PLAN | 403(b) | $55.1M | 516 | 2025 |
- #003 · 403(b) · 2025516
Health & Benefits plans
1 plan on this EIN
| 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 |
- #504 · Fully insured · THE GUARDIAN LIFE INSURANCE COMPANY OF AMERICA · 2025150
Retirement plans
Health & Benefits plans