Kellogg Polytechnic Elementary (Data source)
Source data for Kellogg Polytechnic 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 | 1092860 | 2422 | - | 2436 | = | -14 | * | (57 | / | 201) | = | -3.97014925 | ||
| 4 | 1092863 | 2467 | - | 2485 | = | -18 | * | (53 | / | 201) | = | -4.74626866 | ||
| 5 | 1092864 | 2477 | - | 2528 | = | -51 | * | (49 | / | 201) | = | -12.43283579 | ||
| 6 | 1092867 | 2525 | - | 2552 | = | -27 | * | (42 | / | 201) | = | -5.64179102 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Kellogg Polytechnic Elementary | -27 | ||||||||||||
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 | 34204 | 2423 | - | 2436 | = | -13 | * | (51 | / | 212) | = | -3.12735848 | ||
| 4 | 34205 | 2457 | - | 2485 | = | -28 | * | (59 | / | 212) | = | -7.79245281 | ||
| 5 | 34208 | 2477 | - | 2528 | = | -51 | * | (57 | / | 212) | = | -13.71226412 | ||
| 6 | 34209 | 2474 | - | 2552 | = | -78 | * | (45 | / | 212) | = | -16.5566037 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Kellogg Polytechnic Elementary | -41 | ||||||||||||
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 | 34816 | 2423 | - | 2436 | = | -13 | * | (58 | / | 216) | = | -3.49074073 | ||
| 4 | 34818 | 2453 | - | 2485 | = | -32 | * | (49 | / | 216) | = | -7.25925923 | ||
| 5 | 34819 | 2467 | - | 2528 | = | -61 | * | (54 | / | 216) | = | -15.25 | ||
| 6 | 34822 | 2513 | - | 2552 | = | -39 | * | (55 | / | 216) | = | -9.93055553 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Kellogg Polytechnic Elementary | -36 | ||||||||||||
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 | 34825 | 2420 | - | 2436 | = | -16 | * | (45 | / | 184) | = | -3.91304347 | ||
| 4 | 34827 | 2463 | - | 2485 | = | -22 | * | (44 | / | 184) | = | -5.26086955 | ||
| 5 | 34829 | 2482 | - | 2528 | = | -46 | * | (51 | / | 184) | = | -12.75 | ||
| 6 | 34831 | 2504 | - | 2552 | = | -48 | * | (44 | / | 184) | = | -11.47826083 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Kellogg Polytechnic Elementary | -33 | ||||||||||||
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 | 35001 | 2413 | - | 2436 | = | -23 | * | (64 | / | 191) | = | -7.70680628 | ||
| 4 | 35002 | 2439 | - | 2485 | = | -46 | * | (39 | / | 191) | = | -9.39267013 | ||
| 5 | 35003 | 2483 | - | 2528 | = | -45 | * | (41 | / | 191) | = | -9.65968583 | ||
| 6 | 35004 | 2488 | - | 2552 | = | -64 | * | (47 | / | 191) | = | -15.74869107 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Kellogg Polytechnic Elementary | -43 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -27 | -41 | -36 | -33 | -43 | -180.0 | -36.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -18.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -54.0
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 | 88% | 88% | 87% | 92% | 86% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pomona Unified school district | County of Los Angeles
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.
Kellogg Polytechnic Elementary math proficiency
Zero+ meets standard.
72% less $meal
74% less $meal
72% less $meal
76% less $meal
77% 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.