Mayo Elementary (Data source)
Source data for Mayo 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 | 1163922 | 2360 | - | 2436 | = | -76 | * | (96 | / | 350) | = | -20.84571426 | ||
| 4 | 1163923 | 2426 | - | 2485 | = | -59 | * | (133 | / | 350) | = | -22.42 | ||
| 5 | 1163926 | 2441 | - | 2528 | = | -87 | * | (121 | / | 350) | = | -30.0771428 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mayo Elementary | -73 | ||||||||||||
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 | 36229 | 2418 | - | 2436 | = | -18 | * | (93 | / | 328) | = | -5.10365853 | ||
| 4 | 36231 | 2425 | - | 2485 | = | -60 | * | (101 | / | 328) | = | -18.47560974 | ||
| 5 | 36234 | 2471 | - | 2528 | = | -57 | * | (134 | / | 328) | = | -23.28658535 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mayo Elementary | -47 | ||||||||||||
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 | 36986 | 2426 | - | 2436 | = | -10 | * | (126 | / | 316) | = | -3.98734177 | ||
| 4 | 36988 | 2469 | - | 2485 | = | -16 | * | (89 | / | 316) | = | -4.5063291 | ||
| 5 | 36989 | 2442 | - | 2528 | = | -86 | * | (101 | / | 316) | = | -27.48734176 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mayo 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 | 36953 | 2435 | - | 2436 | = | -1 | * | (95 | / | 318) | = | -0.29874214 | ||
| 4 | 36956 | 2463 | - | 2485 | = | -22 | * | (130 | / | 318) | = | -8.99371068 | ||
| 5 | 36957 | 2490 | - | 2528 | = | -38 | * | (93 | / | 318) | = | -11.11320754 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mayo Elementary | -20 | ||||||||||||
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 | 37148 | 2449 | - | 2436 | = | 13 | * | (99 | / | 309) | = | 4.16504854 | ||
| 4 | 37149 | 2483 | - | 2485 | = | -2 | * | (92 | / | 309) | = | -0.59546925 | ||
| 5 | 37150 | 2496 | - | 2528 | = | -32 | * | (118 | / | 309) | = | -12.2200647 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mayo Elementary | -9 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -73 | -47 | -36 | -20 | -9 | -185.0 | -37.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 35.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -109.0
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 | 76% | 85% | 77% | 83% | 78% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Compton 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.
Mayo Elementary math proficiency
Zero+ meets standard.
74% less $meal
81% less $meal
74% less $meal
80% less $meal
76% 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.