Marshall Pomeroy Elementary (Data source)
Source data for Marshall Pomeroy Elementary
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 | 2736989 | 2482 | - | 2436 | = | 46 | * | (102 | / | 426) | = | 11.01408447 | ||
| 4 | 2736990 | 2503 | - | 2485 | = | 18 | * | (109 | / | 426) | = | 4.60563379 | ||
| 5 | 2736993 | 2549 | - | 2528 | = | 21 | * | (112 | / | 426) | = | 5.52112676 | ||
| 6 | 2736994 | 2586 | - | 2552 | = | 34 | * | (103 | / | 426) | = | 8.22065726 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Marshall Pomeroy Elementary | 29 | ||||||||||||
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 | 83203 | 2494 | - | 2436 | = | 58 | * | (88 | / | 416) | = | 12.26923074 | ||
| 4 | 83205 | 2531 | - | 2485 | = | 46 | * | (101 | / | 416) | = | 11.16826921 | ||
| 5 | 83207 | 2561 | - | 2528 | = | 33 | * | (109 | / | 416) | = | 8.64663459 | ||
| 6 | 83209 | 2595 | - | 2552 | = | 43 | * | (118 | / | 416) | = | 12.19711538 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Marshall Pomeroy Elementary | 44 | ||||||||||||
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 | 85539 | 2462 | - | 2436 | = | 26 | * | (116 | / | 427) | = | 7.06323184 | ||
| 4 | 85541 | 2522 | - | 2485 | = | 37 | * | (98 | / | 427) | = | 8.49180325 | ||
| 5 | 85542 | 2574 | - | 2528 | = | 46 | * | (105 | / | 427) | = | 11.31147539 | ||
| 6 | 85544 | 2612 | - | 2552 | = | 60 | * | (108 | / | 427) | = | 15.175644 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Marshall Pomeroy Elementary | 42 | ||||||||||||
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 | 85758 | 2480 | - | 2436 | = | 44 | * | (93 | / | 422) | = | 9.69668242 | ||
| 4 | 85760 | 2509 | - | 2485 | = | 24 | * | (110 | / | 422) | = | 6.25592417 | ||
| 5 | 85762 | 2581 | - | 2528 | = | 53 | * | (109 | / | 422) | = | 13.68957341 | ||
| 6 | 85764 | 2625 | - | 2552 | = | 73 | * | (110 | / | 422) | = | 19.02843601 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Marshall Pomeroy Elementary | 49 | ||||||||||||
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 | 86353 | 2478 | - | 2436 | = | 42 | * | (98 | / | 401) | = | 10.26433913 | ||
| 4 | 86354 | 2527 | - | 2485 | = | 42 | * | (85 | / | 401) | = | 8.90274311 | ||
| 5 | 86355 | 2553 | - | 2528 | = | 25 | * | (104 | / | 401) | = | 6.4837905 | ||
| 6 | 86356 | 2604 | - | 2552 | = | 52 | * | (114 | / | 401) | = | 14.78304235 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Marshall Pomeroy Elementary | 40 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 29 | 44 | 42 | 49 | 40 | 204.0 | 40.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 61.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 19.8
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 | 20% | 21% | 20% | 20% | 21% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Milpitas Unified school district | County of Santa Clara
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.
Marshall Pomeroy Elementary math proficiency
Zero+ meets standard.
15% less $meal
15% less $meal
15% less $meal
15% less $meal
17% 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.