Cedarlane Academy (Data source)
Source data for Cedarlane Academy
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 | 1170826 | 2414 | - | 2436 | = | -22 | * | (33 | / | 461) | = | -1.57483731 | ||
| 4 | 1170829 | 2459 | - | 2485 | = | -26 | * | (38 | / | 461) | = | -2.14316703 | ||
| 5 | 1170830 | 2490 | - | 2528 | = | -38 | * | (48 | / | 461) | = | -3.95661605 | ||
| 6 | 1170833 | 2493 | - | 2552 | = | -59 | * | (102 | / | 461) | = | -13.05422991 | ||
| 7 | 1170834 | 2534 | - | 2567 | = | -33 | * | (126 | / | 461) | = | -9.01952278 | ||
| 8 | 1170837 | 2505 | - | 2586 | = | -81 | * | (114 | / | 461) | = | -20.03036874 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cedarlane Academy | -50 | ||||||||||||
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 | 36449 | 2434 | - | 2436 | = | -2 | * | (32 | / | 463) | = | -0.13822894 | ||
| 4 | 36451 | 2502 | - | 2485 | = | 17 | * | (35 | / | 463) | = | 1.28509718 | ||
| 5 | 36454 | 2483 | - | 2528 | = | -45 | * | (36 | / | 463) | = | -3.49892006 | ||
| 6 | 36456 | 2518 | - | 2552 | = | -34 | * | (132 | / | 463) | = | -9.69330453 | ||
| 7 | 36458 | 2526 | - | 2567 | = | -41 | * | (102 | / | 463) | = | -9.03239738 | ||
| 8 | 36459 | 2576 | - | 2586 | = | -10 | * | (126 | / | 463) | = | -2.72138228 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cedarlane Academy | -24 | ||||||||||||
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 | 37216 | 2425 | - | 2436 | = | -11 | * | (39 | / | 481) | = | -0.89189189 | ||
| 4 | 37217 | 2498 | - | 2485 | = | 13 | * | (43 | / | 481) | = | 1.16216216 | ||
| 5 | 37220 | 2507 | - | 2528 | = | -21 | * | (37 | / | 481) | = | -1.6153846 | ||
| 6 | 37221 | 2536 | - | 2552 | = | -16 | * | (127 | / | 481) | = | -4.22453222 | ||
| 7 | 37224 | 2518 | - | 2567 | = | -49 | * | (130 | / | 481) | = | -13.24324323 | ||
| 8 | 37225 | 2530 | - | 2586 | = | -56 | * | (105 | / | 481) | = | -12.22453221 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cedarlane Academy | -31 | ||||||||||||
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 | 37165 | 2405 | - | 2436 | = | -31 | * | (26 | / | 486) | = | -1.6584362 | ||
| 4 | 37167 | 2485 | - | 2485 | = | 0 | * | (43 | / | 486) | = | 0.0 | ||
| 5 | 37169 | 2505 | - | 2528 | = | -23 | * | (44 | / | 486) | = | -2.08230452 | ||
| 6 | 37171 | 2524 | - | 2552 | = | -28 | * | (122 | / | 486) | = | -7.02880657 | ||
| 7 | 37173 | 2548 | - | 2567 | = | -19 | * | (124 | / | 486) | = | -4.84773661 | ||
| 8 | 37175 | 2573 | - | 2586 | = | -13 | * | (127 | / | 486) | = | -3.39711934 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cedarlane Academy | -19 | ||||||||||||
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 | 37367 | 2438 | - | 2436 | = | 2 | * | (38 | / | 444) | = | 0.17117117 | ||
| 4 | 37368 | 2467 | - | 2485 | = | -18 | * | (25 | / | 444) | = | -1.01351351 | ||
| 5 | 37369 | 2485 | - | 2528 | = | -43 | * | (42 | / | 444) | = | -4.06756754 | ||
| 6 | 37370 | 2542 | - | 2552 | = | -10 | * | (97 | / | 444) | = | -2.18468468 | ||
| 7 | 37371 | 2568 | - | 2567 | = | 1 | * | (118 | / | 444) | = | 0.26576577 | ||
| 8 | 37372 | 2585 | - | 2586 | = | -1 | * | (124 | / | 444) | = | -0.27927928 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cedarlane Academy | -7 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -50 | -24 | -31 | -19 | -7 | -131.0 | -26.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 18.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -71.2
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 | 80% | 78% | 72% | 75% | 75% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hacienda la Puente 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.
Cedarlane Academy math proficiency
Zero+ meets standard.
63% less $meal
63% less $meal
62% less $meal
67% less $meal
62% 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.