Central Middle (Data source)
Source data for Central Middle
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 | 148431 | 0 | - | 2436 | = | * | (1 | / | 251) | = | ||||
| 6 | 148432 | 0 | - | 2552 | = | * | (1 | / | 251) | = | ||||
| 7 | 148435 | 2473 | - | 2567 | = | -94 | * | (104 | / | 251) | = | -38.94820713 | ||
| 8 | 148436 | 2480 | - | 2586 | = | -106 | * | (145 | / | 251) | = | -61.23505976 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Central Middle | -100 | ||||||||||||
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 | 4338 | 0 | - | 2436 | = | * | (0 | / | 254) | = | ||||
| 4 | 4340 | 0 | - | 2485 | = | * | (1 | / | 254) | = | ||||
| 5 | 4341 | 0 | - | 2528 | = | * | (1 | / | 254) | = | ||||
| 6 | 4344 | 0 | - | 2552 | = | * | (5 | / | 254) | = | ||||
| 7 | 4346 | 2475 | - | 2567 | = | -92 | * | (125 | / | 254) | = | -45.27559053 | ||
| 8 | 4347 | 2492 | - | 2586 | = | -94 | * | (122 | / | 254) | = | -45.14960624 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Central Middle | -90 | ||||||||||||
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 |
||
| 7 | 4427 | 2454 | - | 2567 | = | -113 | * | (111 | / | 257) | = | -48.80544738 | ||
| 8 | 4430 | 2463 | - | 2586 | = | -123 | * | (146 | / | 257) | = | -69.87548636 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Central Middle | -119 | ||||||||||||
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 |
||
| 6 | 4421 | 2471 | - | 2552 | = | -81 | * | (146 | / | 409) | = | -28.91442542 | ||
| 7 | 4424 | 2472 | - | 2567 | = | -95 | * | (138 | / | 409) | = | -32.05378964 | ||
| 8 | 4425 | 2462 | - | 2586 | = | -124 | * | (125 | / | 409) | = | -37.8973104 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Central Middle | -99 | ||||||||||||
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 |
||
| 6 | 4461 | 2461 | - | 2552 | = | -91 | * | (140 | / | 422) | = | -30.18957341 | ||
| 7 | 4462 | 2464 | - | 2567 | = | -103 | * | (144 | / | 422) | = | -35.14691938 | ||
| 8 | 4463 | 2484 | - | 2586 | = | -102 | * | (138 | / | 422) | = | -33.35545024 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Central Middle | -99 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -100 | -90 | -119 | -99 | -99 | -507.0 | -101.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -71.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -131.4
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 | 74% | 80% | 74% | 82% | 81% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oroville City Elementary school district | County of Butte
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.
Central Middle math proficiency
Zero+ meets standard.
68% less $meal
70% less $meal
66% 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.
Intermediate/Middle Schools (Public) schools in Oroville City Elementary (2)
| Central Middle | Ishi Hills Middle |