Lime Street Elementary (Data source)
Source data for Lime Street 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 | 2093227 | 2373 | - | 2436 | = | -63 | * | (116 | / | 431) | = | -16.95591645 | ||
| 4 | 2093230 | 2422 | - | 2485 | = | -63 | * | (103 | / | 431) | = | -15.05568443 | ||
| 5 | 2093231 | 2420 | - | 2528 | = | -108 | * | (102 | / | 431) | = | -25.55916466 | ||
| 6 | 2093234 | 2442 | - | 2552 | = | -110 | * | (110 | / | 431) | = | -28.07424587 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lime Street Elementary | -86 | ||||||||||||
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 | 64321 | 2353 | - | 2436 | = | -83 | * | (114 | / | 448) | = | -21.12053566 | ||
| 4 | 64322 | 2413 | - | 2485 | = | -72 | * | (114 | / | 448) | = | -18.32142852 | ||
| 5 | 64325 | 2423 | - | 2528 | = | -105 | * | (107 | / | 448) | = | -25.07812493 | ||
| 6 | 64326 | 2448 | - | 2552 | = | -104 | * | (113 | / | 448) | = | -26.23214277 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lime Street Elementary | -91 | ||||||||||||
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 | 66133 | 2361 | - | 2436 | = | -75 | * | (119 | / | 484) | = | -18.4400826 | ||
| 4 | 66135 | 2405 | - | 2485 | = | -80 | * | (111 | / | 484) | = | -18.34710736 | ||
| 5 | 66136 | 2407 | - | 2528 | = | -121 | * | (124 | / | 484) | = | -30.99999999 | ||
| 6 | 66138 | 2410 | - | 2552 | = | -142 | * | (130 | / | 484) | = | -38.14049582 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lime Street Elementary | -106 | ||||||||||||
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 | 66202 | 2354 | - | 2436 | = | -82 | * | (102 | / | 461) | = | -18.14316699 | ||
| 4 | 66205 | 2406 | - | 2485 | = | -79 | * | (101 | / | 461) | = | -17.30802602 | ||
| 5 | 66206 | 2413 | - | 2528 | = | -115 | * | (121 | / | 461) | = | -30.18438178 | ||
| 6 | 66209 | 2432 | - | 2552 | = | -120 | * | (137 | / | 461) | = | -35.66160516 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lime Street Elementary | -101 | ||||||||||||
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 | 66592 | 2396 | - | 2436 | = | -40 | * | (128 | / | 448) | = | -11.4285714 | ||
| 4 | 66593 | 2409 | - | 2485 | = | -76 | * | (96 | / | 448) | = | -16.28571426 | ||
| 5 | 66594 | 2407 | - | 2528 | = | -121 | * | (107 | / | 448) | = | -28.89955349 | ||
| 6 | 66595 | 2447 | - | 2552 | = | -105 | * | (117 | / | 448) | = | -27.42187497 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lime Street Elementary | -84 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -86 | -91 | -106 | -101 | -84 | -468.0 | -93.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -66.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -120.6
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 | 82% | 87% | 90% | 85% | 81% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hesperia Unified school district | County of San Bernardino
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.
Lime Street Elementary math proficiency
Zero+ meets standard.
75% less $meal
82% less $meal
83% less $meal
83% less $meal
80% 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.