Sienna Montessori School
Sienna Montessori School is a licensed child care center in Missouri City, TX, licensed for up to 168 children and serving infants through school-age children. It has held its Texas license since 2001. Since October 2021, state inspectors have visited 9 times and investigated 2 reports. Inspectors recorded 25 citations, 2 of them high-risk, most often for training & qualifications (6 of 25). 1 citation came in the last 12 months. 8% were corrected during the inspection itself. Measured by risk-weighted citations per inspection, it is #37 of 39 centers in Missouri City and better than 4% of licensed centers statewide.
Inspection record
Every state visit
What inspectors cited most
Citations, newest first
A seatbelt buckle at the back of a bus was observed to be broken.
6 out of 10 files evaluated did not have the preemployment affidavit in the file.
Cribs that are being used by infants was observed to not have snug fitted sheets.
Three infants did not have an updated feeding instruction that is required to be updated every 30 days.
2 out 10 staff records evaluated did not have a notarized affidavit in the file
7 out of 10 children's records evaluated did not have the parent rights form completed.
3 out of 10 staff records evaluated did not have documentation showing education credentials.
5 out of 10 children's records evaluated did not have completed the authorization for emergency medical attention.
Two bathrooms in two different classrooms were observed to have the based board peeling and detached from the wall.
5 out 10 children's records evaluated did not have a health statement in their file.
A review of the Employees Who Left Employment in 2024 data revealed that the center had not reported the number of employees who left employment in 2024 by January 15, 2025, as required.
2 caregivers hired within the last year did not have the pre-employment affidavit available for review in their file.
One child did not have a copy of their must current immunizations on file and was missing 3 required immunizations.
A caregiver hired 9/9/24 with no previous childcare experience did not have proof that 8 hours of preservice had been completed prior to being counted in ratio.
10 out of 10 children's files reviewed did not have proof that parents had received information related to parent's rights contained within the operational policies.
A caregiver hired 9/8/24 did not have proof that orientation had been completed within 7 days.
5 out of 5 staff files reviewed showed caregivers and the director with online CPR certification that does not meet minimum standard requirements.
2 out of 5 staff files reviewed did not show that they had completed the required health and safety topics in their most recently completed training year.
2 out of 10 records reviewed for children were missing immunization records.
It was observed one infant was sleeping in the crib with mattress sheet that was not not snugly fitted in Mobile Infant classroom. NOTE: This was corrected, the caregiver fixed the fitted sheet during the inspection.
Several water bottles were observed not being labeled with children name in the Non-Mobile Infants classroom; Red Room Primary Classroom. NOTE: This was corrected as the bottles were labeled with the children names during the inspection.
An 6 month old infant was observed sleeping in the bouncer during the inspection. NOTE: The infant was being removed from the bouncer during the inspection.
The training record for one employee in Red Room classroom was not available for reviewed. The caregiver was hired since August 2021.
Two Infant feeding Instruction Forms for two Infants ages 11mo and 13mo were observed not being updated. The last forms was observed completed by parents since September 2021.
The transportation training for one caregiver was not available for review.
About this center
Common questions
Does Sienna Montessori School take infants?
Yes. Texas licenses it to care for infants through school-age children.
What are Sienna Montessori School’s hours?
6:30 AM to 6:30 PM, Monday through Friday, according to its state licensing record. Confirm holiday and summer hours with the center.
Does Sienna Montessori School accept child care subsidies?
Not according to its state licensing record. Ask the center directly, since participation can change.
How much does Sienna Montessori School cost?
Texas does not publish individual centers’ prices, so ask Sienna Montessori School for its current tuition. For comparison, the median full-day price at licensed centers in the Gulf Coast area, which includes Missouri City, is $42.60 a day for infants, $40.80 a day for toddlers and $39.40 a day for 3-year-olds (2025 Texas Child Care Market Rate Survey).
Has Sienna Montessori School had any serious violations?
Inspectors recorded 2 high-risk citations since 2021. The most recent was on Sep 15, 2025: “Required Admission Information - Emergency Medical Authorization.” Each one is listed in full above.
How does Sienna Montessori School compare with other daycares in Missouri City?
It is #37 of 39 centers in Missouri City by risk-weighted citations per inspection, and is better than 4% of licensed centers statewide (out of 9,147 Texas centers with enough inspection history).
When was Sienna Montessori School last inspected?
Sep 10, 2026. Inspectors cited at least one rule during that visit.
Licensed centers nearby
4401 Sienna Cir, Missouri City · 0.9 mi away · 323 spotsMore citations than mostPrimrose School of Sienna
4400 Sienna Pkwy, Missouri City · 1.1 mi away · 195 spotsAbout typicalSienna Kids Academy
8717 Scanlan Trce, Missouri City · 1.4 mi away · 223 spotsFewer citations than mostSt. Catherine of Sienna Episcopal School
4747 Sienna Pkwy, Missouri City · 1.4 mi away · 77 spotsAmong the most citedSt. Angela's Angels Mother's Day Out
9009 Sienna Ranch Road, Missouri City · 1.4 mi away · 60 spotsToo few inspections to compareMontessori School of Sugar Land Sienna
8900 Sienna Ranch Rd, Missouri City · 1.4 mi away · 250 spotsAmong the most cited
Citations are quoted from Texas HHS inspection records. Many are corrected the same day, and a citation is a finding about one rule, not a judgment about a center overall.
To see the official record, search operation 554152 on Search Texas Child Care. Data refreshed Sep 30, 2026.