Lorenzo Manor Elementary (Data source)
Source data for Lorenzo Manor 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 | 113953 | 2375 | - | 2436 | = | -61 | * | (98 | / | 289) | = | -20.68512111 | ||
| 4 | 113954 | 2434 | - | 2485 | = | -51 | * | (95 | / | 289) | = | -16.76470587 | ||
| 5 | 113957 | 2467 | - | 2528 | = | -61 | * | (96 | / | 289) | = | -20.26297573 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lorenzo Manor Elementary | -58 | ||||||||||||
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 | 3176 | 2380 | - | 2436 | = | -56 | * | (112 | / | 311) | = | -20.16720255 | ||
| 4 | 3177 | 2420 | - | 2485 | = | -65 | * | (103 | / | 311) | = | -21.52733115 | ||
| 5 | 3179 | 2460 | - | 2528 | = | -68 | * | (96 | / | 311) | = | -20.9903537 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lorenzo Manor Elementary | -63 | ||||||||||||
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 | 3287 | 2393 | - | 2436 | = | -43 | * | (78 | / | 278) | = | -12.06474818 | ||
| 4 | 3290 | 2424 | - | 2485 | = | -61 | * | (109 | / | 278) | = | -23.91726613 | ||
| 5 | 3292 | 2459 | - | 2528 | = | -69 | * | (91 | / | 278) | = | -22.5863309 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lorenzo Manor Elementary | -59 | ||||||||||||
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 | 3284 | 2396 | - | 2436 | = | -40 | * | (91 | / | 268) | = | -13.58208952 | ||
| 4 | 3286 | 2429 | - | 2485 | = | -56 | * | (77 | / | 268) | = | -16.08955219 | ||
| 5 | 3288 | 2455 | - | 2528 | = | -73 | * | (100 | / | 268) | = | -27.23880594 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lorenzo Manor Elementary | -57 | ||||||||||||
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 | 3313 | 2379 | - | 2436 | = | -57 | * | (97 | / | 260) | = | -21.26538461 | ||
| 4 | 3314 | 2434 | - | 2485 | = | -51 | * | (87 | / | 260) | = | -17.06538458 | ||
| 5 | 3315 | 2449 | - | 2528 | = | -79 | * | (76 | / | 260) | = | -23.09230767 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lorenzo Manor Elementary | -61 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -58 | -63 | -59 | -57 | -61 | -298.0 | -59.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -53.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.6
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 | 76% | 79% | 77% | 75% | 70% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Lorenzo Unified school district | County of Alameda
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.
Lorenzo Manor Elementary math proficiency
Zero+ meets standard.
65% less $meal
67% less $meal
64% less $meal
65% less $meal
63% 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.
Elementary School (Public) schools in San Lorenzo Unified (9)
| Bay Elementary | Colonial Acres Elementary | Corvallis Elementary |
| Dayton Elementary | Del Rey Elementary | Grant Elementary |
| Hesperian Elementary | Hillside Elementary | Lorenzo Manor Elementary |