North Shoreview Montessori (Data source)
Source data for North Shoreview Montessori
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2555111 | 2428 | - | 2436 | = | -8 | * | (49 | / | 229) | = | -1.71179039 | ||
| 4 | 2555114 | 2522 | - | 2485 | = | 37 | * | (46 | / | 229) | = | 7.43231439 | ||
| 5 | 2555115 | 2529 | - | 2528 | = | 1 | * | (48 | / | 229) | = | 0.20960699 | ||
| 6 | 2555118 | 2552 | - | 2552 | = | 0 | * | (34 | / | 229) | = | 0.0 | ||
| 7 | 2555119 | 2586 | - | 2567 | = | 19 | * | (24 | / | 229) | = | 1.99126637 | ||
| 8 | 2555122 | 2603 | - | 2586 | = | 17 | * | (28 | / | 229) | = | 2.07860261 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for North Shoreview Montessori | 10 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 77865 | 2457 | - | 2436 | = | 21 | * | (50 | / | 230) | = | 4.56521738 | ||
| 4 | 77867 | 2490 | - | 2485 | = | 5 | * | (44 | / | 230) | = | 0.95652174 | ||
| 5 | 77870 | 2554 | - | 2528 | = | 26 | * | (46 | / | 230) | = | 5.2 | ||
| 6 | 77871 | 2609 | - | 2552 | = | 57 | * | (34 | / | 230) | = | 8.4260869 | ||
| 7 | 77873 | 2612 | - | 2567 | = | 45 | * | (33 | / | 230) | = | 6.4565217 | ||
| 8 | 77876 | 2639 | - | 2586 | = | 53 | * | (23 | / | 230) | = | 5.3 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for North Shoreview Montessori | 31 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 80019 | 2486 | - | 2436 | = | 50 | * | (50 | / | 247) | = | 10.12145745 | ||
| 4 | 80020 | 2500 | - | 2485 | = | 15 | * | (49 | / | 247) | = | 2.97570849 | ||
| 5 | 80022 | 2523 | - | 2528 | = | -5 | * | (45 | / | 247) | = | -0.91093117 | ||
| 6 | 80024 | 2595 | - | 2552 | = | 43 | * | (37 | / | 247) | = | 6.44129551 | ||
| 7 | 80027 | 2623 | - | 2567 | = | 56 | * | (34 | / | 247) | = | 7.70850198 | ||
| 8 | 80029 | 2608 | - | 2586 | = | 22 | * | (32 | / | 247) | = | 2.85020241 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for North Shoreview Montessori | 29 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 80167 | 2470 | - | 2436 | = | 34 | * | (43 | / | 233) | = | 6.2746781 | ||
| 4 | 80170 | 2498 | - | 2485 | = | 13 | * | (47 | / | 233) | = | 2.62231759 | ||
| 5 | 80172 | 2536 | - | 2528 | = | 8 | * | (44 | / | 233) | = | 1.51072961 | ||
| 6 | 80173 | 2542 | - | 2552 | = | -10 | * | (31 | / | 233) | = | -1.3304721 | ||
| 7 | 80176 | 2611 | - | 2567 | = | 44 | * | (35 | / | 233) | = | 6.60944205 | ||
| 8 | 80178 | 2649 | - | 2586 | = | 63 | * | (33 | / | 233) | = | 8.92274676 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for North Shoreview Montessori | 25 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 80664 | 2481 | - | 2436 | = | 45 | * | (36 | / | 219) | = | 7.39726025 | ||
| 4 | 80665 | 2499 | - | 2485 | = | 14 | * | (38 | / | 219) | = | 2.42922373 | ||
| 5 | 80666 | 2542 | - | 2528 | = | 14 | * | (47 | / | 219) | = | 3.00456621 | ||
| 6 | 80667 | 2540 | - | 2552 | = | -12 | * | (32 | / | 219) | = | -1.75342465 | ||
| 7 | 80668 | 2558 | - | 2567 | = | -9 | * | (31 | / | 219) | = | -1.2739726 | ||
| 8 | 80669 | 2617 | - | 2586 | = | 31 | * | (35 | / | 219) | = | 4.95433788 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for North Shoreview Montessori | 15 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 10 | 31 | 29 | 25 | 15 | 110.0 | 22.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 49.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -5.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 21% | 18% | 18% | 19% | 20% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Mateo-Foster City school district | County of San Mateo
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
North Shoreview Montessori math proficiency
Zero+ meets standard.
18% less $meal
15% less $meal
17% less $meal
17% less $meal
19% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.