Howard Wood Elementary (Data source)
Source data for Howard Wood 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 | 1134708 | 2460 | - | 2436 | = | 24 | * | (57 | / | 163) | = | 8.39263802 | ||
| 4 | 1134709 | 2468 | - | 2485 | = | -17 | * | (49 | / | 163) | = | -5.11042943 | ||
| 5 | 1134712 | 2512 | - | 2528 | = | -16 | * | (57 | / | 163) | = | -5.59509202 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Howard Wood Elementary | -2 | ||||||||||||
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 | 35364 | 2458 | - | 2436 | = | 22 | * | (52 | / | 169) | = | 6.76923075 | ||
| 4 | 35365 | 2505 | - | 2485 | = | 20 | * | (64 | / | 169) | = | 7.57396448 | ||
| 5 | 35368 | 2495 | - | 2528 | = | -33 | * | (53 | / | 169) | = | -10.34911241 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Howard Wood Elementary | 4 | ||||||||||||
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 | 36061 | 2455 | - | 2436 | = | 19 | * | (68 | / | 187) | = | 6.9090909 | ||
| 4 | 36063 | 2502 | - | 2485 | = | 17 | * | (54 | / | 187) | = | 4.9090909 | ||
| 5 | 36066 | 2509 | - | 2528 | = | -19 | * | (65 | / | 187) | = | -6.60427806 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Howard Wood Elementary | 5 | ||||||||||||
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 | 36062 | 2466 | - | 2436 | = | 30 | * | (63 | / | 182) | = | 10.38461538 | ||
| 4 | 36064 | 2503 | - | 2485 | = | 18 | * | (68 | / | 182) | = | 6.72527471 | ||
| 5 | 36066 | 2519 | - | 2528 | = | -9 | * | (51 | / | 182) | = | -2.52197802 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Howard Wood Elementary | 15 | ||||||||||||
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 | 36230 | 2462 | - | 2436 | = | 26 | * | (54 | / | 186) | = | 7.54838708 | ||
| 4 | 36231 | 2511 | - | 2485 | = | 26 | * | (64 | / | 186) | = | 8.94623655 | ||
| 5 | 36232 | 2528 | - | 2528 | = | 0 | * | (68 | / | 186) | = | 0.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Howard Wood Elementary | 16 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -2 | 4 | 5 | 15 | 16 | 38.0 | 7.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 28.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -13.4
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 | 35% | 39% | 37% | 38% | 37% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Torrance 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.
Howard Wood Elementary math proficiency
Zero+ meets standard.
27% less $meal
26% less $meal
28% less $meal
32% less $meal
31% 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.