Cherrylee Elementary (Data source)
Source data for Cherrylee 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 | 688875 | 2420 | - | 2436 | = | -16 | * | (65 | / | 247) | = | -4.2105263 | ||
| 4 | 688876 | 2464 | - | 2485 | = | -21 | * | (53 | / | 247) | = | -4.50607286 | ||
| 5 | 688879 | 2471 | - | 2528 | = | -57 | * | (66 | / | 247) | = | -15.23076919 | ||
| 6 | 688880 | 2507 | - | 2552 | = | -45 | * | (63 | / | 247) | = | -11.47773276 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cherrylee Elementary | -35 | ||||||||||||
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 | 21774 | 2405 | - | 2436 | = | -31 | * | (56 | / | 237) | = | -7.32489449 | ||
| 4 | 21777 | 2481 | - | 2485 | = | -4 | * | (64 | / | 237) | = | -1.08016878 | ||
| 5 | 21779 | 2480 | - | 2528 | = | -48 | * | (49 | / | 237) | = | -9.92405059 | ||
| 6 | 21780 | 2511 | - | 2552 | = | -41 | * | (68 | / | 237) | = | -11.76371307 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cherrylee Elementary | -30 | ||||||||||||
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 | 22192 | 2435 | - | 2436 | = | -1 | * | (66 | / | 233) | = | -0.2832618 | ||
| 4 | 22193 | 2454 | - | 2485 | = | -31 | * | (54 | / | 233) | = | -7.18454934 | ||
| 5 | 22195 | 2525 | - | 2528 | = | -3 | * | (64 | / | 233) | = | -0.82403433 | ||
| 6 | 22197 | 2501 | - | 2552 | = | -51 | * | (49 | / | 233) | = | -10.72532188 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cherrylee Elementary | -19 | ||||||||||||
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 | 22178 | 2438 | - | 2436 | = | 2 | * | (43 | / | 229) | = | 0.37554585 | ||
| 4 | 22180 | 2480 | - | 2485 | = | -5 | * | (68 | / | 229) | = | -1.48471616 | ||
| 5 | 22182 | 2486 | - | 2528 | = | -42 | * | (58 | / | 229) | = | -10.63755458 | ||
| 6 | 22184 | 2546 | - | 2552 | = | -6 | * | (60 | / | 229) | = | -1.5720524 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cherrylee Elementary | -13 | ||||||||||||
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 | 22357 | 2423 | - | 2436 | = | -13 | * | (47 | / | 211) | = | -2.8957346 | ||
| 4 | 22358 | 2471 | - | 2485 | = | -14 | * | (43 | / | 211) | = | -2.85308057 | ||
| 5 | 22359 | 2503 | - | 2528 | = | -25 | * | (66 | / | 211) | = | -7.8199052 | ||
| 6 | 22360 | 2481 | - | 2552 | = | -71 | * | (55 | / | 211) | = | -18.507109 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cherrylee Elementary | -32 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -35 | -30 | -19 | -13 | -32 | -129.0 | -25.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 1.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -52.8
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 | 84% | 77% | 83% | 87% | 91% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
El Monte City 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.
Cherrylee Elementary math proficiency
Zero+ meets standard.
74% less $meal
66% less $meal
72% less $meal
78% less $meal
85% 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.