Oak Tree Community Day (Data source)
Source data for Oak Tree Community Day
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 | 1057700 | 0 | - | 2436 | = | * | (3 | / | 47) | = | ||||
| 4 | 1057701 | 0 | - | 2485 | = | * | (6 | / | 47) | = | ||||
| 5 | 1057704 | 0 | - | 2528 | = | * | (5 | / | 47) | = | ||||
| 6 | 1057705 | 2358 | - | 2552 | = | -194 | * | (10 | / | 47) | = | -41.27659566 | ||
| 7 | 1057708 | 0 | - | 2567 | = | * | (7 | / | 47) | = | ||||
| 8 | 1057709 | 2380 | - | 2586 | = | -206 | * | (16 | / | 47) | = | -70.12765939 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Oak Tree Community Day | -111 | ||||||||||||
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 | 33180 | 0 | - | 2436 | = | * | (1 | / | 74) | = | ||||
| 4 | 33181 | 0 | - | 2485 | = | * | (7 | / | 74) | = | ||||
| 5 | 33183 | 0 | - | 2528 | = | * | (8 | / | 74) | = | ||||
| 6 | 33186 | 2360 | - | 2552 | = | -192 | * | (14 | / | 74) | = | -36.32432429 | ||
| 7 | 33188 | 2333 | - | 2567 | = | -234 | * | (15 | / | 74) | = | -47.43243227 | ||
| 8 | 33190 | 2430 | - | 2586 | = | -156 | * | (29 | / | 74) | = | -61.135135 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Oak Tree Community Day | -145 | ||||||||||||
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 | 33756 | 0 | - | 2436 | = | * | (0 | / | 80) | = | ||||
| 4 | 33759 | 0 | - | 2485 | = | * | (0 | / | 80) | = | ||||
| 5 | 33761 | 2332 | - | 2528 | = | -196 | * | (12 | / | 80) | = | -29.4 | ||
| 6 | 33762 | 2372 | - | 2552 | = | -180 | * | (18 | / | 80) | = | -40.5 | ||
| 7 | 33764 | 2398 | - | 2567 | = | -169 | * | (19 | / | 80) | = | -40.1375 | ||
| 8 | 33766 | 2368 | - | 2586 | = | -218 | * | (20 | / | 80) | = | -54.5 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Oak Tree Community Day | -165 | ||||||||||||
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 | 33782 | 0 | - | 2436 | = | * | (0 | / | 75) | = | ||||
| 4 | 33784 | 2332 | - | 2485 | = | -153 | * | (11 | / | 75) | = | -22.4399999 | ||
| 5 | 33786 | 2328 | - | 2528 | = | -200 | * | (12 | / | 75) | = | -32.0 | ||
| 6 | 33788 | 2316 | - | 2552 | = | -236 | * | (18 | / | 75) | = | -56.64 | ||
| 7 | 33790 | 2361 | - | 2567 | = | -206 | * | (21 | / | 75) | = | -57.68 | ||
| 8 | 33792 | 0 | - | 2586 | = | * | (0 | / | 75) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Oak Tree Community Day | -169 | ||||||||||||
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 | 33961 | 0 | - | 2436 | = | * | (5 | / | 71) | = | ||||
| 4 | 33962 | 0 | - | 2485 | = | * | (10 | / | 71) | = | ||||
| 5 | 33963 | 0 | - | 2528 | = | * | (0 | / | 71) | = | ||||
| 6 | 33964 | 2381 | - | 2552 | = | -171 | * | (11 | / | 71) | = | -26.49295767 | ||
| 7 | 33965 | 2384 | - | 2567 | = | -183 | * | (24 | / | 71) | = | -61.85915493 | ||
| 8 | 33966 | 2372 | - | 2586 | = | -214 | * | (19 | / | 71) | = | -57.26760546 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Oak Tree Community Day | -146 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -111 | -145 | -165 | -169 | -146 | -736.0 | -147.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -81.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -213.2
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 | 94% | 100% | 95% | 91% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Palmdale Elementary 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.
Oak Tree Community Day math proficiency
Zero+ meets standard.
85% less $meal
90% less $meal
86% less $meal
89% less $meal
88% 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.
District Community Day Schools schools in Palmdale Elementary (1)
| Oak Tree Community Day |