| Sunnyside Mennonite Montessori | 0.5 |
1 | 100.0% | - | - | - | - |
| Belmont Academy | 0.5 |
11 | 100.0% | - | - | - | - |
| All Saints School | 0.7 |
449 | 86.6% | 5.3% | 4.2% | 1.8% | 2.0% |
| Providence Montessori School | 1.0 |
35 | - | 8.6% | 91.4% | - | - |
| Gately Academy | 1.1 |
47 | 89.4% | - | 2.1% | - | 8.5% |
| Community Transitional School | 1.2 |
74 | 28.4% | 32.4% | 28.4% | 10.8% | - |
| New Day Ananda Marga School | 1.3 |
10 | 80.0% | - | 10.0% | - | 10.0% |
| Franciscan Montessori Earth School | 1.4 |
271 | 66.8% | - | 7.7% | 2.6% | 22.9% |
| St Ignatius School | 1.6 |
215 | 71.2% | 3.7% | 7.9% | 0.9% | 16.3% |
| Sonbeam Day Care Center | 1.6 |
5 | 40.0% | 20.0% | 40.0% | - | - |
| Kindercare Learning Center | 1.8 |
7 | 100.0% | - | - | - | - |
| The Madeleine Elementary School | 1.9 |
240 | 87.5% | 0.8% | 6.7% | - | 5.0% |
| Archbishop Howard School | 2.0 |
264 | 75.0% | 2.3% | 1.9% | 0.4% | 20.5% |
| Tucker-maxon Oral School | 2.0 |
61 | 90.2% | 4.9% | 3.3% | - | 1.6% |
| St James Child Development Center | 2.5 |
10 | 90.0% | - | - | - | 10.0% |
| Cedarwood Waldorf School | 2.6 |
212 | 90.6% | 1.4% | 1.9% | 0.5% | 5.7% |
| Montessori Of Alameda | 2.7 |
10 | 90.0% | - | - | - | 10.0% |
| Helen Gordon Child Development Center- Psu | 2.7 |
20 | 75.0% | 5.0% | 5.0% | - | 15.0% |
| Cathedral School | 2.7 |
220 | 97.7% | 0.5% | 1.4% | - | 0.5% |
| Kindercare Learning Centers | 2.7 |
10 | 70.0% | 20.0% | 10.0% | - | - |
| Whole Child Montessori Center | 2.8 |
15 | 86.7% | 6.7% | - | - | 6.7% |
| Shining Star School Of Oregon | 2.8 |
104 | 86.5% | 5.8% | 3.8% | 1.0% | 2.9% |
| Childpeace Montessori School | 2.9 |
177 | 79.1% | 5.1% | 5.1% | 1.1% | 9.6% |
| St Andrew Nativity School | 3.0 |
57 | 3.5% | 38.6% | 56.1% | 1.8% | - |
| Grace Lutheran School | 3.2 |
82 | 73.2% | 1.2% | 15.9% | - | 9.8% |
| Trinity Lutheran School | 3.3 |
163 | 53.4% | 6.7% | 35.0% | - | 4.9% |
| The Portland French School | 3.5 |
143 | 78.3% | 5.6% | 8.4% | 0.7% | 7.0% |
| St Agatha Elementary School | 3.8 |
173 | 86.7% | 2.3% | 4.6% | - | 6.4% |
| Class Academy | 3.8 |
104 | 57.7% | 1.0% | 1.0% | - | 40.4% |
| Crossroads Christian School | 3.9 |
158 | 84.2% | 1.9% | 4.4% | 0.6% | 8.9% |
| Holy Redeemer Catholic School | 3.9 |
268 | 41.4% | 18.3% | 32.8% | 1.1% | 6.3% |
| St Thomas More School | 4.1 |
217 | 98.6% | 1.4% | - | - | - |
| Portland Cooperative School | 4.4 |
10 | 80.0% | 10.0% | - | - | 10.0% |
| Hilltop Christian School | 4.4 |
11 | 72.7% | 18.2% | 9.1% | - | - |
| Portland Christian Elementary School | 4.5 |
280 | 81.1% | 1.8% | 5.4% | 1.1% | 10.7% |
| Maimonides Jewish Day School | 4.5 |
39 | 94.9% | - | 5.1% | - | - |
| Portland Jewish Academy | 4.6 |
231 | 97.4% | 0.4% | 0.9% | 0.4% | 0.9% |
| Faithful Savior Ministries | 4.7 |
63 | 58.7% | 17.5% | 7.9% | - | 15.9% |
| West Hills Christian School | 4.9 |
453 | 90.9% | 1.8% | 0.7% | - | 6.6% |
| West Hills Early Childhood Learning Center | 4.9 |
22 | 90.9% | - | 4.5% | - | 4.5% |
| St Clare School | 5.0 |
242 | 92.1% | 4.1% | 1.2% | 0.8% | 1.7% |
| Celebration Academy Of The Performing Arts (capa) | 5.1 |
3 | - | - | 100.0% | - | - |
| Sunstone Montessori School | 5.2 |
15 | 86.7% | - | 6.7% | - | 6.7% |
| Open Meadow Middle School | 5.2 |
48 | 52.1% | 6.2% | 31.2% | 8.3% | 2.1% |
| Odyssey Montessori School | 5.2 |
89 | 91.0% | 2.2% | 1.1% | - | 5.6% |
| St Therese School | 5.2 |
225 | 60.4% | 10.7% | 6.2% | 0.4% | 22.2% |
| St John The Baptist Catholic School | 5.2 |
196 | 90.3% | 4.6% | 0.5% | - | 4.6% |
| Gateway Christian School | 5.3 |
48 | 85.4% | - | 4.2% | - | 10.4% |
| West Hills Montessori School-multnomah | 5.4 |
2 | 100.0% | - | - | - | - |
| Harmony Montessori School | 5.5 |
7 | 85.7% | - | - | - | 14.3% |
| West Hills Montessori School-vermont | 5.5 |
74 | 78.4% | 8.1% | 2.7% | - | 10.8% |
| St John Fisher | 5.5 |
245 | 99.2% | 0.4% | 0.4% | - | - |
| Airport Learning Tree | 5.6 |
20 | 85.0% | 5.0% | 10.0% | - | - |
| Beautiful Savior Lutheran Preschool & Kdgn | 5.6 |
11 | 63.6% | 9.1% | - | - | 27.3% |
| Barnes-miller Child Development Center | 5.8 |
20 | 70.0% | - | 10.0% | - | 20.0% |
| Christ The King Parish School | 5.9 |
249 | 77.9% | 5.2% | 0.4% | - | 16.5% |
| Holy Cross Catholic | 6.1 |
210 | 61.0% | 22.9% | 3.8% | 5.2% | 7.1% |
| Child's View Montessori School Inc | 6.3 |
8 | 87.5% | - | - | - | 12.5% |
| French American School | 6.4 |
353 | 77.3% | 4.5% | 3.1% | 0.8% | 14.2% |
| Children's World Learning Center - Lake Oswego | 6.9 |
9 | 88.9% | - | - | - | 11.1% |
| West Hills Schools-montessori -garden Home Campus | 6.9 |
5 | 100.0% | - | - | - | - |
| Sonshine Express Preschool | 7.1 |
27 | 100.0% | - | - | - | - |
| Our Lady Of The Lake School | 7.1 |
248 | 95.6% | 1.6% | - | 0.4% | 2.4% |
| Kindercare Learning Center #902 | 7.2 |
34 | 100.0% | - | - | - | - |
| Valley View Day School | 7.3 |
36 | 61.1% | 11.1% | 5.6% | - | 22.2% |
| Learning Tree Day School Of Oak Grove | 7.4 |
30 | 83.3% | - | 16.7% | - | - |
| Happy Hollow Children's Center | 7.4 |
15 | 86.7% | 13.3% | - | - | - |
| Greater Portland Christian Academy | 7.4 |
40 | 57.5% | 7.5% | 20.0% | - | 15.0% |
| Touchstone School | 7.5 |
109 | 68.8% | 1.8% | 11.0% | - | 18.3% |
| Sunnyside Montessori House Of Children | 7.5 |
15 | 60.0% | - | 6.7% | - | 33.3% |
| Eastside Christian School | 7.5 |
100 | 50.0% | 25.0% | 6.0% | - | 19.0% |
| Morningstar Montessori House Of Children | 7.6 |
10 | 80.0% | 20.0% | - | - | - |
| Ascension Early Childhood Ed Center | 7.6 |
5 | 100.0% | - | - | - | - |
| Carden Cascade Academy | 7.8 |
22 | 22.7% | - | 22.7% | 27.3% | 27.3% |
| Montessori School Of Beaverton | 7.9 |
119 | 52.1% | 0.8% | 0.8% | 0.8% | 45.4% |
| Portland Adventist Elementary School | 7.9 |
256 | 68.8% | 9.0% | 7.8% | - | 14.5% |
| Chiquitos School | 8.0 |
50 | 90.0% | 2.0% | 6.0% | - | 2.0% |
| Cedar Hills Kindergarten And Preschool | 8.0 |
20 | 95.0% | - | - | - | 5.0% |
| Learning Tree Day School-hall Blvd | 8.3 |
47 | 85.1% | 8.5% | 6.4% | - | - |
| Children's Park Learning Center | 8.3 |
9 | 55.6% | - | - | - | 44.4% |
| Children's Village | 8.3 |
3 | 66.7% | - | - | - | 33.3% |
| Kindercare Learning Centers #1042 | 8.3 |
1 | 100.0% | - | - | - | - |
| St Pius X School | 8.5 |
272 | 96.0% | 1.8% | - | - | 2.2% |
| Clackamas Learning Tree | 8.7 |
15 | 86.7% | 13.3% | - | - | - |
| Living Wisdom | 8.8 |
28 | 82.1% | 7.1% | - | - | 10.7% |
| Pilgrim Lutheran School | 8.8 |
187 | 50.8% | 25.1% | 2.7% | 4.3% | 17.1% |
| Kinder Care #965 | 8.8 |
11 | 81.8% | 18.2% | - | - | - |
| The Goddard School | 8.8 |
20 | 45.0% | - | 5.0% | - | 50.0% |
| Academy For Kids Inc | 8.9 |
12 | 75.0% | - | 8.3% | - | 16.7% |
| Holy Trinity Parish School | 9.0 |
248 | 78.2% | 5.6% | 4.4% | - | 11.7% |
| Stepping Stone Day School Center | 9.2 |
1 | 100.0% | - | - | - | - |
| Columbia Academy | 9.2 |
34 | 97.1% | - | 2.9% | - | - |
| Prince Of Peace Lutheran Preschool & Kdgn | 9.2 |
28 | 85.7% | 7.1% | - | - | 7.1% |
| Rivergate Adventist Elementary School | 9.2 |
136 | 84.6% | 7.4% | 5.9% | 0.7% | 1.5% |
| Learning Tree Day School | 9.2 |
25 | 92.0% | 8.0% | - | - | - |
| West Lake Montessori School | 9.2 |
1 | 100.0% | - | - | - | - |
| Agia Sophia Academy | 9.4 |
26 | 92.3% | 3.8% | 3.8% | - | - |
| St Anthony School | 9.4 |
418 | 80.1% | 6.0% | 2.9% | - | 11.0% |
| Sorrento Daycare & Kindergarten | 9.5 |
16 | 93.8% | - | 6.2% | - | - |
| German American School Of Portland | 9.6 |
97 | 99.0% | - | - | - | 1.0% |
| Rocking Horse Day School | 9.6 |
12 | 75.0% | 25.0% | - | - | - |
| Northwest Montessori School Inc-beaverton | 9.6 |
3 | 100.0% | - | - | - | - |
| Lake Oswego Montessori School | 9.7 |
28 | 85.7% | 10.7% | - | - | 3.6% |
| Sunshine Montessori Pres & Child Care Ctr | 9.7 |
15 | 86.7% | - | - | - | 13.3% |
| Bright Horizon''s Children''s Learning Center | 9.7 |
24 | 75.0% | - | - | - | 25.0% |
| Bright Horizons Childrens Learning Center | 9.7 |
24 | 75.0% | - | - | - | 25.0% |
| St Mary Of The Valley School | 9.7 |
385 | 62.1% | 2.9% | - | - | 35.1% |
| Kindercare | 9.8 |
10 | 30.0% | 70.0% | - | - | - |
| Gresham Montessori Center | 9.8 |
7 | 85.7% | 14.3% | - | - | - |
| Children''s Village Day School | 9.8 |
30 | 86.7% | - | 6.7% | - | 6.7% |
| Discovery Preschool Kdgn And Child Care Center | 9.8 |
11 | 100.0% | - | - | - | - |
| The Childrens Hour Academy | 9.9 |
32 | 87.5% | 3.1% | - | - | 9.4% |
| Ymca Kindergarten | 9.9 |
25 | 72.0% | - | 4.0% | - | 24.0% |
| Bethany Village Montessori | 10.0 |
20 | 30.0% | 15.0% | 25.0% | 25.0% | 5.0% |
| Knowledge Beginnings | 10.1 |
9 | 88.9% | 11.1% | - | - | - |
| Touchtone School | 10.2 |
59 | 52.5% | 3.4% | 13.6% | - | 30.5% |
| West Linn Montessori School | 10.4 |
5 | 100.0% | - | - | - | - |
| Gaarde Christian School | 10.4 |
103 | 82.5% | 4.9% | 1.9% | 2.9% | 7.8% |
| Montessori-tigard Learning Center | 10.4 |
13 | 61.5% | 7.7% | 7.7% | - | 23.1% |
| Blue Skies And Butterflies By Educare School | 10.5 |
8 | 62.5% | 12.5% | - | - | 25.0% |
| Carver School | 10.7 |
8 | 75.0% | 12.5% | - | - | 12.5% |
| Northwest Montessori School | 10.7 |
3 | 100.0% | - | - | - | - |
| Christ The Vine Early Childhood Center | 10.7 |
10 | 90.0% | - | - | - | 10.0% |
| Young Learners Preschool | 10.8 |
9 | 55.6% | - | - | - | 44.4% |
| Arbor School Of Arts & Sciences | 10.8 |
150 | 81.3% | 2.7% | 0.7% | 0.7% | 14.7% |
| Angels Montessori School | 10.8 |
1 | - | - | - | - | 100.0% |
| Northwest Montessori School Inc Tualatin | 10.9 |
5 | 100.0% | - | - | - | - |
| Kids Of The Kingdom Christian Child Care Center | 10.9 |
10 | 80.0% | - | - | - | 20.0% |
| Kindercare At Work #1449 | 11.0 |
10 | 90.0% | - | 10.0% | - | - |
| Stafford Academy | 11.1 |
30 | 93.3% | - | 6.7% | - | - |
| Mary L Hurst Early Childhood Center | 11.2 |
20 | 95.0% | 5.0% | - | - | - |
| Pleasant Valley Montessori School | 11.3 |
23 | 100.0% | - | - | - | - |
| The Phonics Phactory | 11.4 |
230 | 94.8% | 1.7% | 0.4% | - | 3.0% |
| St John The Apostle School | 11.4 |
182 | 94.0% | 2.2% | 2.2% | - | 1.6% |
| Creative Childrens Center | 11.4 |
20 | 65.0% | 25.0% | 10.0% | - | - |
| Kindercare Learning Center #1659 | 11.5 |
15 | 60.0% | 13.3% | 6.7% | - | 20.0% |
| Mount Hood Christian Center Pre & Primary School | 11.5 |
40 | 92.5% | 2.5% | 2.5% | - | 2.5% |
| Kindercare Learning Centers #982 | 11.5 |
85 | 76.5% | 23.5% | - | - | - |
| The Fantastic Umbrella Factory | 11.5 |
20 | - | - | 100.0% | - | - |
| Kindercare Learning Centers #1098 | 11.5 |
11 | 54.5% | - | 18.2% | 9.1% | 18.2% |
| Kindercare Learning Centers Inc | 11.5 |
9 | 100.0% | - | - | - | - |
| Horizon Christian Elementary | 11.6 |
338 | 94.7% | 0.6% | 2.4% | - | 2.4% |
| Ymca - Amber Glenn | 12.3 |
30 | 70.0% | 13.3% | 3.3% | - | 13.3% |
| Sunrise Montessori School | 13.0 |
4 | 100.0% | - | - | - | - |
| Hood View Junior Academy | 13.7 |
115 | 81.7% | 8.7% | 1.7% | - | 7.8% |
| Ymca Child Development Center | 13.8 |
20 | 100.0% | - | - | - | - |
| Good Shepherd School | 14.0 |
208 | 92.8% | 1.9% | - | - | 5.3% |
| The Goddard School - Hillsboro | 14.2 |
42 | 78.6% | 7.1% | 7.1% | - | 7.1% |
| Kindercare Learning Center | 14.7 |
15 | 80.0% | - | - | 20.0% | - |
| St Paul Lutheran School | 14.9 |
70 | 97.1% | 1.4% | - | - | 1.4% |
| St Francis Parish School | 14.9 |
169 | 81.1% | 9.5% | - | 0.6% | 8.9% |
| Kids Kastle Learning Center | 15.0 |
14 | 92.9% | 7.1% | - | - | - |
| Smockville Montessori School | 15.0 |
3 | 100.0% | - | - | - | - |
| Pacific Northwest Academy | 15.2 |
42 | 69.0% | 2.4% | - | 2.4% | 26.2% |
| Trinity Lutheran School | 15.2 |
22 | 95.5% | 4.5% | - | - | - |
| Sherwood Christian Montessori School | 15.4 |
5 | 20.0% | 20.0% | - | - | 60.0% |
| Knowledge Beginnings | 16.1 |
13 | 92.3% | - | 7.7% | - | - |
| Swallowtail School | 16.9 |
47 | 97.9% | - | - | - | 2.1% |
| St Matthew Catholic School | 17.2 |
226 | 77.9% | 14.2% | 0.4% | - | 7.5% |
| Stepping Stones Full Year Preshool & Kindergarten | 18.7 |
1 | - | - | - | - | 100.0% |
| Forest Hills Lutheran School | 20.4 |
180 | 91.7% | 4.4% | 2.2% | 0.6% | 1.1% |
| Emmaus Christian School | 21.0 |
188 | 96.3% | 3.2% | 0.5% | - | - |
| Scappoose Adventist School | 21.7 |
61 | 90.2% | 3.3% | 1.6% | - | 4.9% |
| Visitation School | 22.0 |
117 | 92.3% | 3.4% | - | - | 4.3% |
| St Francis Of Assisi School | 22.1 |
98 | 94.9% | - | 2.0% | 2.0% | 1.0% |
| Columbia County Christian School | 23.1 |
32 | 90.6% | 6.2% | - | - | 3.1% |
