Hillcrest Elementary (Data source)
Source data for Hillcrest 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 | 702765 | 2396 | - | 2436 | = | -40 | * | (61 | / | 261) | = | -9.348659 | ||
| 4 | 702766 | 2464 | - | 2485 | = | -21 | * | (54 | / | 261) | = | -4.34482757 | ||
| 5 | 702769 | 2510 | - | 2528 | = | -18 | * | (77 | / | 261) | = | -5.31034483 | ||
| 6 | 702770 | 2552 | - | 2552 | = | 0 | * | (69 | / | 261) | = | 0.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Hillcrest Elementary | -19 | ||||||||||||
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 | 22211 | 2433 | - | 2436 | = | -3 | * | (43 | / | 217) | = | -0.59447005 | ||
| 4 | 22212 | 2464 | - | 2485 | = | -21 | * | (53 | / | 217) | = | -5.12903225 | ||
| 5 | 22215 | 2523 | - | 2528 | = | -5 | * | (51 | / | 217) | = | -1.17511521 | ||
| 6 | 22216 | 2563 | - | 2552 | = | 11 | * | (70 | / | 217) | = | 3.5483871 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Hillcrest Elementary | -3 | ||||||||||||
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 | 22630 | 2411 | - | 2436 | = | -25 | * | (61 | / | 222) | = | -6.86936935 | ||
| 4 | 22631 | 2482 | - | 2485 | = | -3 | * | (48 | / | 222) | = | -0.64864865 | ||
| 5 | 22634 | 2494 | - | 2528 | = | -34 | * | (55 | / | 222) | = | -8.4234234 | ||
| 6 | 22636 | 2535 | - | 2552 | = | -17 | * | (58 | / | 222) | = | -4.44144144 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Hillcrest Elementary | -20 | ||||||||||||
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 | 22626 | 2448 | - | 2436 | = | 12 | * | (61 | / | 226) | = | 3.23893805 | ||
| 4 | 22628 | 2473 | - | 2485 | = | -12 | * | (61 | / | 226) | = | -3.23893805 | ||
| 5 | 22631 | 2505 | - | 2528 | = | -23 | * | (48 | / | 226) | = | -4.88495574 | ||
| 6 | 22633 | 2516 | - | 2552 | = | -36 | * | (56 | / | 226) | = | -8.92035396 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Hillcrest Elementary | -14 | ||||||||||||
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 | 22809 | 2478 | - | 2436 | = | 42 | * | (45 | / | 213) | = | 8.87323941 | ||
| 4 | 22810 | 2480 | - | 2485 | = | -5 | * | (60 | / | 213) | = | -1.4084507 | ||
| 5 | 22811 | 2482 | - | 2528 | = | -46 | * | (59 | / | 213) | = | -12.74178403 | ||
| 6 | 22812 | 2550 | - | 2552 | = | -2 | * | (49 | / | 213) | = | -0.4600939 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Hillcrest Elementary | -6 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -19 | -3 | -20 | -14 | -6 | -62.0 | -12.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 8.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -33.4
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 | 62% | 61% | 66% | 68% | 63% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Garvey 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.
Hillcrest Elementary math proficiency
Zero+ meets standard.
53% less $meal
52% less $meal
54% less $meal
62% less $meal
56% 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.