McManus (John A.) Elementary (Data source)
Source data for McManus (John A.) 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 | 138829 | 2389 | - | 2436 | = | -47 | * | (58 | / | 268) | = | -10.17164177 | ||
| 4 | 138830 | 2430 | - | 2485 | = | -55 | * | (65 | / | 268) | = | -13.33955222 | ||
| 5 | 138833 | 2481 | - | 2528 | = | -47 | * | (68 | / | 268) | = | -11.92537312 | ||
| 6 | 138834 | 2483 | - | 2552 | = | -69 | * | (77 | / | 268) | = | -19.82462681 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for McManus (John A.) Elementary | -55 | ||||||||||||
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 | 4021 | 2414 | - | 2436 | = | -22 | * | (77 | / | 271) | = | -6.2509225 | ||
| 4 | 4024 | 2450 | - | 2485 | = | -35 | * | (53 | / | 271) | = | -6.84501843 | ||
| 5 | 4025 | 2486 | - | 2528 | = | -42 | * | (71 | / | 271) | = | -11.00369 | ||
| 6 | 4028 | 2485 | - | 2552 | = | -67 | * | (70 | / | 271) | = | -17.30627306 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for McManus (John A.) 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 | 4109 | 2380 | - | 2436 | = | -56 | * | (51 | / | 177) | = | -16.13559321 | ||
| 4 | 4112 | 2461 | - | 2485 | = | -24 | * | (71 | / | 177) | = | -9.62711863 | ||
| 5 | 4113 | 2463 | - | 2528 | = | -65 | * | (55 | / | 177) | = | -20.1977401 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for McManus (John A.) Elementary | -46 | ||||||||||||
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 | 4112 | 2408 | - | 2436 | = | -28 | * | (66 | / | 184) | = | -10.04347826 | ||
| 4 | 4113 | 2409 | - | 2485 | = | -76 | * | (46 | / | 184) | = | -19.0 | ||
| 5 | 4116 | 2456 | - | 2528 | = | -72 | * | (72 | / | 184) | = | -28.17391298 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for McManus (John A.) Elementary | -57 | ||||||||||||
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 | 4165 | 2370 | - | 2436 | = | -66 | * | (66 | / | 186) | = | -23.41935479 | ||
| 4 | 4166 | 2451 | - | 2485 | = | -34 | * | (63 | / | 186) | = | -11.51612902 | ||
| 5 | 4167 | 2453 | - | 2528 | = | -75 | * | (57 | / | 186) | = | -22.9838709 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for McManus (John A.) Elementary | -58 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -55 | -41 | -46 | -57 | -58 | -257.0 | -51.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -30.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -72.4
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 | 81% | 76% | 77% | 79% | 81% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Chico Unified 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.
McManus (John A.) Elementary math proficiency
Zero+ meets standard.
74% less $meal
68% less $meal
68% less $meal
72% less $meal
74% 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.